Released on September 19, 2014, this 4.7" screen iPhone is the smaller version of the iPhone 6 Plus.

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iPhone searching signal constantly

hello friends, I fixed complete display/touch panel of a friend after the fall of this.

in addition to this problem the phone is always in the state of network research, can someone help me on what to check?

the problem occurred several days of use after the fall of the device and not immediately, then worked with to type broken for several days.

I have tested this method: reset network/airplane mode, restore iphone via DFU but doesn't work..

Help me!!

Thank you to all!

And sorry for my english..

Andrea

Answered! View the answer I have this problem too

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I dropped my phone as the others suggested. It worked.

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Lost network signal, keeps on searching

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Yoooo this dude down here got it straight. Turn your phone off. Take the sim out. Blow on the sim, and then blow into the sim port. Turn it back on after you put the SIM card back in. Wahhhh bammm. Presto. Blow on it like an old video game card.

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I had this problem recently. The fix was hard to find. But I managed to fix it.

No signal whatsoever. When bending the phone (it actually was a little bit bend) signal came back for a minute or a week. A repair shop told me I needed to replace the complete back housing. Price: 180 euros! I couldn't believe the problem was the back housing but more likely a dodgy connection. I ordered the tools to open the phone. At first I couldn't find anything after checking various components (wifi cables, docking antenna or whatever that all was). The second time I opened the phone, I found that a little soft pad that looked like it has melted from its place. It supposed to stick to the antenna cable exactly below the ear speaker, and the lcd unit pushes this cable down, probably making electrical contact somewhere. After closing the phone it kept searching for a network for a day. But after a reset the carrier was back! This also seemed to be a common problem. So be sure to reset the phone!

Hope it's useful to someon

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titotyfus1990 i have the same problem but what soft pad melted ? can you help me ?

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Deck the Halls
With tools and Fix Kits

36 Answers

Chosen Solution

Try taking your SIM card out. But make sure your iPhone is off when you do so. Put it back in then power it on. I've heard that helps locate your signal towers.

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Yes--even if you have not made any changes to yr iPhone settings and are in a normal cell service area, if your phone gets into state in which it cannot find cell service provider and continuously displays "Searching", try taking the SIM out and putting back in. This worked for me. My newish iPhone 6 Plus, after working normally for 2 weeks, suddenly today failed to find AT&T network--no signal, phone only continuously displayed "Searching". Tried turning phone off and on multiple times; tried turning on and off cellular and data settings; even tried turning off Activation Lock that is automatically turned on if you activate the Find my iPhone feature (though I knew that this should not be the cause of the phone's inability to find network signal). But none of this worked. Finally tried taking out the SIM and re-installing into the phone (after turning off the phone first). Upon re-starting the phone, network signal appeared immediately.

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My daughter has been having this issue with her iPhone 6 for six days now. Calls to AT&T nor Apple fixed it. She was told to do EVERYTHING from restart her phone, reset network settings, restore her phone to swapping out her SIM. Three trips to AT&T, 2 walk-in appt for Apple and about seven phone calls between the both of them and all I could get was a diagnostic appt 4 days away. Needless to say my daughter is heartbroken.

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So I go onto google to search how many other people are having this problem (lots is an understatement). I came across the craziest of solutions, drop the phone being one but we've tried everything else. Since the phone is fresh out of warranty and I may have to pay for a replacement anyways, let's just do it. I turn the phone off, I stand up with my hands above the head of my 5'6" body, close my eyes and dropped the caseless phone. I hear it plop, I am scared to look, it landed faced down on its body glove glass screen protector. I reach down to pick it up and turn it over, flawless screen and not a crack to its protector (greatest $45 bucks eva spent). I turn the phone on and BOOM, there it is AT&T LTE network with full signal strength.

Ha! I don't know what's craziest, that this actually worked or that I actually went along with it...

You people are crazy, thanks a bunch!

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****Update******

The Drop effect only lasted about 6hrs....

Back to searching again, uugghhhhh.

Will not risk another drop :(

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Before you try the "drop" technique, please try this:

Hold down both buttons to turn of the phone, and keep them depressed until the phone restarts itself. Continue holding these buttons down until the phone then turns itself back off. Wait a few seconds, then depress them again until it starts up, then let go of the buttons. It will start up, and you will have cellular service once again! Every time I have used this technique, it works (three times). Thank you Apple for not owning up to this problem and recalling all of the phones (yes that was a sarcastic remark).

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Had this problem for three days. New sim. ATT reset my phone on the network. Nothing. Reset phone to factory default. Works for a hour or two. Last time it happened I smacked my phone on the table and immediately started working again. Will test this method again once it stops working again.

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After hours on the phone with AT&T support, multiple resets, installing a new SIM and rebooting a dozen times, I tried a "drop test" (dropping the phone on a desk from a 6" height), to see if "smacking my phone on the table" was a viable solution.

On reboot my phone instantly connected to the network and has been working flawlessly for hours.

Clearly there is an engineering flaw in the design of the phone which can be rectified with acute vertical compression.

tl;dr; yeah, smack it on the desk a little.

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This also worked for me!! My iPhone 6 suddenly went to "searching...." And after several reboots, network setting resets, several hours on the phone with Apple, wiping my phone clean and restoring and NO LUCK, I ran a cross this post and decide to try "dropping my phone". I put it in the protective case so I wouldn't damage it further and dropped it screen side up towards the ceiling and parallel to the table, about 12 inches high. Restarted and viola, it worked again! Hope this helps somone else!!

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This is absolutely NUTS!!! HAD THE SAME PROBLOM! searched, tryed to pop out sim, reboots, lost contacts, all the bs. And then sure as Mr BEN said, I thought no freaking way, these idiots are trying to brake my phone, but I was desperate, so here I come, load up the phone in the otter box, turned it off, sent to the kitchen table, 15 in up, ....&.... Bam, turned that mug on and worked like a champ, thank you Mr lashley and cregg!!!! Most deff saved my night.... What a billion $ comp gives you these days! Hahhhhhh.... Needless to say, the old GIVE IT A WACK, centuries later, still the best fixing tool around! Next time the old lady is out of sync, talking uncontrollably, malfunctioning saying how it needs to be fed $ to continue on with service!!??!! OH YEAH, THE OLD WACK TRICK!!! LOL.

THANKS GUYS

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"Give it a whack"! As crazy as it sounds, all the posts are right, and this really does work. Save yourself a lot of time, and energy; MAKE SURE IT'S IN A GOOD CASE, and yell GERONIMO!!!

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I SWEAR, I just had this same problem all day yesterday and today, I read this forum, put my phone in an OtterBox case, turned it off and dropped it on the table from about 2 feet and now my phone has 3 bars in the house. This is funny. Get at me tho @20grandhiphop. Good luck!

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Was having this issues for months. Searching hours on google to find an answer. I replaced the Lightning Charging Assembly which included a cellular antenna, cleaned all the grounding points in the case, and replaced the antenna flex ribbon. None of this worked.

1) Software wasn't the issue. DFU restored, everything, it still continued.

2)Cellular settings being changed had no effect on the signal.

3) Hardware was the obvious in this case because "smacking" the phone caused it to regain signal.

A few days later I noticed my phone said "NO SIM" and started to think. This is what the problem is. The sim slot in the iPhone 6 can get deformed by slight bending in the phone. This provides the SIM card with a hairlike gap to wiggle around in. The simple fix for this is to take a sheet of printer paper and cut it the exact size of your nano-SIM card and place it on the plastic side of your SIM card which faces up and then insert it. Do this carefully and make sure the paper doesn't crinkle/fold in half. This tightens the SIM card very slightly but just enough to keep it tight to the gold connectors.

My phone was loosing signal, and saying "Searching" for weeks, and after this it is working 100%!

Three days and strong signal ever since.

Goodluck!

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You are spot on! I took a piece of scotch tape and taped over the back of it. Then I used an exacto knife and cut off the excess tape to the shape of the sim card holder. We had two phones that this happened too and this solution worked on both Thank you!!

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Marty Horvatich why in the shape of the sim card holder, and not just the sim?

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THANK YOU! I wanted to explore every other option than this ridiculous drop method being explained and came across your post.

It makes sense.

I removed my SIM card and stuck it to the adhesive portion of a sticky note and scissored the overlap of paper off.

Returned the SIM card to it's slot and my phone began to function as usual again, much gratitude!

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I guess in all cases the sim hasn't been recognized at all?

My phone can read the sim iccid is available but still no service. But I'll give it a try tonight.

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I have the same the same experiece. I cutted a piece of tape and it worked. I will post in a couple of days...

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Good day everyone! Manchester UK and !&&* YEAH it worked!!! Same problem here, mo carrier services, device constantly displaying searching mode out if the blue - I spent an hr on the phone with Apple without a resolution then they sent me to their store which was busy and on a conveyor belt and the guy opened my sim card locket, pretended he looked inside with an expert eye and said i have water damage! I said to him how is it possible that my phone works on all other functions and wi fi etc - he said the phone cannot be repaired and since it's out of warranty i could get a new one for £200. I said i need to think about it, left there upset and feeling conned!

So i found all these wonderful wacky "bash it" experiences - and said to myself well, if i smash it it's my own fault and the phone is "beyond repair" anyhow!!

I turned the phone off, took the sim out, dropped it onto its back from arm's length (I'm 5'3" and i have wood floors...) IN UNDER A MINUTE FROM PUTTING BACK THE SIM CARD MY PHONE CONNECTED TO THE MOBILE NETWORK!!!

How full of BS are you Apple flagship store"specialists"???

Blessings to everyone writing in here so i will have the balls to do something like this hahahhaha!!! Thank you, thank you, thank you!!!

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yoooooo!!!! lmfao like my man said above me! put your phone in its protective case and drop it and it will work !! lmfao never would of thought of such thing. thank you guys for writing, if you are experiencing this! try it !!!!

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Just a quick note to mention that it's been two weeks since the "cave approach fix" and all is ok with my phone

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Same problem I treated with same medicine-dropping my machine from a foot height. It is working for now.

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Holy SH@$. My phone went into searching today and I tried all mentioned above. I actually dropped my phone from shoulder height so it landed on the back side and it FREAKING WORKED. Seriously WTF?! Weirdest phone hack I ever tried. I personally dropped it on the rug in my kitchen. Wild!

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My iPhone 6 dropped hard on the ground one day and bent and after several days showed no service. After many calls to Verizon tech support, hard reset, etc. which it came back on for awhile, and I was able to do wifi calling the whole time btw. They told me to get new SIM card, even though I didn't have error message. Verizon store put in new sim and it wouldn't activate and then couldn't wifi call but could still use wifi for other things. Was told maybe antenna problem, different antenna for wifi. Have appt with Apple next week. Saw this forum and for the heck of it powered off phone and dropped, screen side up in case, a foot off table. When powered on, had 4 bars! Called tech, got it activated , and it worked. It's going in and out though but I can at least do wifi calling until I get to Apple.

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OMG! The drop method worked perfectly!

1. Have an iPhone 6 that has been dropped with and without a case approximately 1.5 years ago.

2. With clumsy handling and active toddler hands, my Screen was cracked twice

3. Signal (cellular) went out first weekend in November 2016

4. Sprint Tech support tried to trouble shoot- no resolve

5. Best Buy Tech- no resolve

7. Sprint Store- no resolve

6. Apple Store- screen repair with fixed signal issue only to lose signal a few days later

7. Sprint Repair store- Store not allowed to open / repair phone

8. Ifixit- Power phone off, case on phone, go into garage, hold phone 12"-18" off ground, close eyes and Let Go..power phone on and RESOLVE!!!!!

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i tried everything but once i turned it off and dropped it on my desk 2 or 3 times turned it back on and now im working again perfect!!!

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Freaky. Two hours with Verizon tonight, tried everything. A single drop with the case on, powered up, now working!. Unbelievable!

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Yes the drop method worked. I tried:

1)hard reset

2)network reset

3)restoring iphone

4)erase and backup from itunes and/or icloud

5)removing SIM and blowing on it, and inside the SIM hole in the phone

6)airplaine mode toggle

7)contacting my phone carrier (who couldn't help me at all)

8)turning phone off and on

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Crazy comments on this post! The fact of the matter is a bad connection on the baseband modem following a bend or drop. Due to the screw location. If you have modem firmware and imei then the modem needs reballing. If no firmware then it is eeprom memory or baseband pmu. Don't ever drop the device you will cause more damage. This is plain stupidity!

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Had this problem with a 6+ I very gently flexed it in the opposite direction may ass would have flexed it over the last year.

Turned it back on, worked fine.

It didn't appear bent, and had been in a case it's whole life. Apparently, it just has to be bent that tiny bit to mess up the connection to the sim card.

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I know it sounds stupid, but I literally just dropped my phone from a couple inches onto my table, and now I have 5 bars of LTE.

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Very helpful :) Thanks tony

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I agree that dropping the phone is not the solution. I've so far reballed the baseband modem - as I have all firmware numbers and imei, etc. - and changed the 220 IC as well as other suggestions regarding connectors. Each time I do anything to the PCB, I have signal again for a week or so, then back to searching. I am disturbing a fractured solder ball or balls each time I move or heat the board I think. But how to isolate the IC or component with the problem?

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I work at US Cellular so I actually see phones do this often. Most of the time we call into tech, & they say that after all logical troubleshooting, (replacing SIM, factory data reset, turn off& on again, resetting network settings) that there is just something internally wrong with device, as in loose internal antenna, and that there is nothing we can do other than replace the device. I however, used my resources & looked it up on Google to see what other people have done, tried taking out SIM & cleaning slot with canned air, returned SIM, & just gently hit phone on my hand a few times while it was off. Can clearly hear something is loose on inside, but when I turned device back on service was there & notifications were coming back on from past 3 days. Works for now, most likely temporary, but if I hadn't looked more into this, my customer would have had to replace phone for no reason! Extremely helpful, & happy customer for now. Device was also in fact an iPhone 6, which we've been seeing more issues with as well. Thanks much for being there even when Tech support (professionals) are not!!

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Ok I've had this problem for a couple of months nah and I have just figured out wt happen believe me I've tried every single thing Apple said to try every single thing all these forums said to do and guess what I have figured out. It's not the board or no let me not say that here is what is causing it to go in search or no signal mode. We like to place our phones in our pockets, back pocket front pocket and this causes the phone to warp, thus causing some internal problem for the first time in months I use my phone but here's the trick the signal would come and go so wt I did when it goes is I hold the phone like I'm holding a glass, hold it tightly the push on the top left firmly while holding the bottom firmly like a glass and Boom it works. It lost signal again three times today but when I repeat this step it comes right back in so what have we learn today. Don't sit or place your phone In your pockets and I will continue to do this till I can afford a new 6plus. I hope this works for some of y'all but I'm so glad it's working for me. I guess the drop test is similar cuz it twists the phone once it it the ground but hat didn't work for me. Good look guys

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Update it's still working and I often loose signal but it always comes back once I do this test. Again Do Not Sit On Your Phines or place them in ur pockets don't forget our jeans are tight the phone warps. Trust me I'm so happy right nah and it only takes about 3 secs to do

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Steps to fixing the "Searching" for cellular service problem.

First try these basic steps:

1. Hard Reset Device

2. Reset network settings

Still not working? Heres how i just fixed one:

Remove logic board from phone. Cellular antenna is at the top left and is connect by 4 connectors. The cellular antenna grounds out on the frame of the phone which turns the entire body of the phone into an antenna. Pop the antenna off and clean all connectors and grounding points with alcohol. Reinstall and test.

Mine just had dust between the antenna and the frame of the phone.. This is likely why all of you are able to smack the phone and get service for short periods of time. The smack is closing the connection or knocking some dust off. Give it a thorough cleaning and make sure all connections go back together nice and tight and you will have a permanent fix.

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Will try this tomorrow!

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replaced the cellular antenna, and its day two sinds i have service again...

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Can someone explain me a little more detailed (with picture?) which component you mean?

If you mean this: iPhone 6 Logic Board Antenna Flex Cable that's for WIFI says the description?

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Tried everything suggested, no joy until I placed a piece of tape on the back of Sim Card suddenly ok for now.

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changed the upper antenna connector. lower antenna/dock/headphone 3 times. each time i replaced the lower, the network worked for a day or less. a darn shame. iphone 6 was too good to be true.

Update (01/25/2017)

darn it. this is possibly temporary but this worked. for now at least. and dont blame me if something else happens. i took the risk as well. anyhow.

shut down phone.

remove sim card.

place phone in protective case.

drop on a sturdy hard table onto its backside from 12 inches high.

re-insert sim card.

Boot up your phone and see that glorious LTE.

its going to be awesome to wake up to "searching" "no service".

this is clearly a design flaw with the IC Chip that connects the antenna/networking system.

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While tonyhamre makes a very technologically valid point, the rest of us are making a MacGyver valid point. All of us are experiencing this problem with out 6's. Its too %#*@ thin, and the bottom case is not made of the type of metal, or thickness, to make the phone structurally sound. I'm sure that there are 1000s of people who will never see this thread, and hand their beautiful iPhone 6's down to their younger siblings or children as a very nice iPod Touch. And then there are some of us who can't afford to needlessly replace a now $300 (+/-) phone, and refuse to give up as easily. I tried all of the Apple tips, Youtube How To's, and stumbled across this thread. I did the drop, minus the "Geronimo", and I'll be darned, It worked. I agree with tonyhamre, this really isn't a smart method, but then again, buying an Apple product post Jobbs passing isn't the smart either. I raise a glass to you tonyhamre, with my phone in the other hand just as high.

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I tried a lot of these solutions - (iPhone 6s / Verizon)

1. hard reset

2. airplane mode, off and on

3. reset network settings

4. popping the sim card out

If you go to settings, about: Look at what the carrier says; in my case Verizon. Tap on the carrier and the next item show PRL. If PRL shows "1", then you are not on the correct "Priority Roaming List", and that is what is causing the phone to not be able to connect to the carrier. I think it is the same for the other carriers also.

Here is what worked for me step by step:

1. Turn your phone off.

2. Take out your sim card, leave it our and power phone back on.

3. Go to settings, General, reset, and Reset network settings.

4. Once the phone cycles back on. Turn your phone off by holding the power button.

5. Once powered down completely, re-insert the sim card.

6. Power back on.

7. Your phone is connected back to the network.

Hope it works for you!

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Yes yes this!!! I have verizon with an iPhone 6 and nothing else worked but this did it!! I literally made an account to let everyone know this is the best way. Lol thank you!!!!

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Hey I just fixed a signal by opening up the phone and unplugging the 2 cables on the top left by the antenna and replugging them in and starting the phone back up. boom

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Okay guys. Seriously. This is crazy.

Broke my phone weeks ago.

Screen was more cracked up than the 80's.

Replaced the screen, the home button, the battery. Completely refurbished 6.

Get it home for it to be searching ... in the corner.

Constant resetting and turning off.

Nothing.

This continues for weeks.

WHILE READING THESE POSTS. I begin to smack my iphone.

Still searching.

Hard reset.

Come to ....

NO MORE SEARCHING.

Incredible.

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It's clearly a hit and miss when it comes to fixing this problem as I have ran into it before and tried various attempts with no luck.

For an iPhone 6 this time I tried:

1. Swapping out the sim

2. Resetting network settings

3. Checking for updates (all is updated)

4. Swapping the charger port

5. Swapped out the screen assembly

6. Reconnecting the antenna on the top left

7. The infamous drop attempt several times

8. Restarting multiple times several different ways

9. I swapped out the entire logic board over to another iPhone

'All with zero luck'

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I too tried swapping the charger port, at first it worked, but once I placed everything back it went "No service" and "Searching" again...

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The drop didn't work....the other fixes did not work. What worked was shutting the phone down...taking either the sim chip remover or a paper clip and gently putting it in the sim card slot and sliding it back and forth...gently across the contacts for the sim card. The phone came right back up and has worked perfectly since. Guessing the contacts became corroded and/or dirty....and from my perspective..it is a fix that actually makes sense....lol

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My iphone 6 has been bent and bent back twice. Cellular service worked fine untill recent smash of the phone (throw it to the wall hardly), and the two volumn button area bent again. After I opened the case, and bent the area back, the cellular service failed. it continueously displaying searching for network.

Here is a few things I have tried, which sometime works, and not work.

1. contact ATT to reset the network login from their side. [looks like the most useless one. sim chip are very standard, and robust, shall not be the problem].

2. wipe out the phone and restore it from back up. Remember to back up your files on your computer before wipe out it. [worked for the first two times, last for one day. then back to searching again.]

3. Tighten the vibration module screws. In one attemp to bend the phone, I notice the right screw to tighten the vibration module on the phone is falling out, and I screwed it back. Restore the phone, and it works out nicely for a day before it failed out again.

4. Tighten all the screws on the two volumn button area, and top left area. The cellular service comes back for two days. before it start loss it again.

5. Always try to Push home and power button at the same time to restart the phone, while your phone displaying searching for cellular network. It is a hard reboot, and will reset some software setting for network searching.

----------------------------------------------

Conclusion:

In my experience of my phone, it looks like the bend issue of the phone will cause some parts to disconnect internally. Most likely is the two cellular antennas: one on the top left, and one at the bottom right. Also, if you use the phone vibration a lot, then after a some time, the screw tighten the vibration module is lose. This will cause the bottom right antenna disconnection as well.

while your phone have cellular service, type *3001#12345#* in the phone call dial panel. it will direct the phone to field test mode. You will see how your phone behaves while connecting to cellular network.

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so far, the most effective fix for my car is to do the hard reset of the phone. Everything when there is a lost of signal, do a hard reset will bring it back for a few hours at least. Looks like the cellular chip needs to be replaced.

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HELLO

OKAY GUYS - this is absolutely insane!

1.5 long months without service and my iPhone 6 is finally fixed after doing everything everyone has said on this long thread of posts, helpful tips, crazy things like dropping your phone and YELLING GERONIMO, and adding pieces of paper or scotch tape to the SIM card!!!

TRY EVERYTHING YOU CAN

REBOOT A FEW TIMES by holding down both buttons until the phone turns on and off by itself a few times

DROP IT A FEW TIMES (DON'T FORGET TO YELL GERONIMO!!)

RESET to FACTORY SETTINGS

BEND it backwards if slightly bent

DO NOT GIVE UP!

You can fix your phone yourself!

Happy fixing everyone!

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After having my screen replaced I noticed Searching......Searching. Rebooted Removed Sim Reset Network Reached out to Sprint all to no avail. Came across this thread and tryed the above. Slipped phone into Apples smart battery case powered it down and gave it a good whack on the back. Voila! When it all else fails!! Worth the try!

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I went to Cricket and Apple and no one could figure out the searching problem for my IPhone 6. This is what worked for me because it happened to a family member as well with at&t. Hit Settings>General>Reset>Reset Network Settings. It only takes a few minutes. It has happened to so many people and they were sending back the phones to Apple constantly. There IT Team finally figured it out! Hope this helps, it saved me!

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i feel the network ic is having a issue and need to replace the network ic

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The issue is iPhone 6s are easily bent, especially if you put it in your back pocket and you don't have a hard case. In some cases, the bend is so slight, you don't notice with your naked eye. Even a very slight bend can cause your sim card to lose partial contact. If it's partial, your iPhone won't tell you, it just loses the signal. So here's the solution. Remove the sim card. Open up the iphone. You don't have to disconnect anything. Lift the screen assembly just enough so you can reach the sim card metal plate. Use your thumb fingernail to bend down the metal plate on all 4 sides. Make that sim card slot as tight as you can. Put the iphone back together and give it a try. Good luck.

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Holy &&^&, this solution actually works! My boyfriend has had "no service" for his IPhone 6 for a week, and I've been ripping my hair out trying to find a solution other than him dishing out $300+ for a new IPhone. (He has Sprint service, btw). So I tried:

-regular shutoff. Nope.

-hard shut off. (Home and power button at same time) Nope.

-turning on and off airplane mode. Nope.

-turning off LTE. Nope.

-Network reset. Nope.

Then I came across this feed! My boyfriend kept his IPhone 6 in the Lifeproof case, help it above his head, and dropped it on the hardwood floor. Twice. Since I didn't see an immediate result, I did a hard shutoff, keeping buttons held so the phone turned off twice. I waited 30 seconds, turned the phone back on, and voila! Full service! Thank you, you crazy kids, for experimenting with the drop method :] .

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Sorry, the phone said "searching...", not "no service". Anyway, it worked.

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Okay, my phone has been giving signal of "searching" for some days now and this has been worrisome to me. So I came on this forum then saw about dropping phone while it's been switched off...that's a bit scary though but I felt, it's worth taking a risk than holding a phone without a service....

So I did and put the phone on back and wow, my network came back full on it.... it's crazy though but I love it....

Martha

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Hi guys, after so many attempts to regain my iphone 6 signal are failed...this is what i try,eject your sim tray,open your iphone and slightly lift the 6 copper pin on the sim connector up using small needle. The objective is to tighten the connection between copper plat of the sim to the copper pin of the iphone and praise the Lord miracle do happen. After inserting my sim and powering up...there they are,5 dot bars of signal appears on my Iphone 6. Hope it will work on your problems too...never give up!

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Check Vreg (base register voltage) after put sim card

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I did all steps and didnt work i tired everything

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There is a copper contact on top of the antenna cable at the top of the phone logic board and there is a little mesh pad that had moved off of that contact, I will include a pic but I peeled the pad back up and put it back on the copper and now my phone is no longer searching. I put a meter on that mesh pad and it does conduct electricity plus I could see the outline where it should have been. I was smacking my phone hard to get it to stop searching and it would work sometimes for an hour sometimes for a few hours but I think it's fixed now.

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That's a bit strange as I believe this is the Wi-Fi antenna, not the one for the cellar service and it is not supposed to interfere with the signal or cause it to go on searching all the time...but I am still glad that you somehow solved your problem.

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Put your phone into airplane mode, remove your SIM card, turn phone off, wait for a few minutes...put the Sim card back in, turn the phone on, turn off airplane mode and let the SIM re-activate. If this doesn't fix the problem, have your carrier reset your line and then try the above steps again. Should be good to go! :-) Just followed those same steps with carrier reset on a customer's iPhone 6+ and it worked perfect.

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I just had a similar issue with my iPhone 6, searching and no service most of the time and if I get a signal eventually it only shows 3G (it should be 4G) and there is no data coming trough (works fine on WiFi). What I did is I replaced QFE1100 (the signal power ic) which was corroded due to water damage and now my phone works fine, I have 4G and I have SIM data. Could be the Baseband IC as well, you should reball or at least reflow it. Hope this helps someone :)

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Already ordered the tools to operate on my iphone 6(everything works in wifi except voicemail), but I figured that I may have bent the phone as I do keep it in my back pocket and it gets squashed when I'm getting in and out of my truck. Someone suggested bending the phone in the opposite direction that it would bend in my back pocket, I did that, and voila, I am getting up to 5 dots signal. I shut off the wifi just to be sure it had to be cellular. So I may not need the tools after all, but I like tools and this may have been a temporary fix after all. But it did work for me. I'm gonna go with the solution Roger presented if this one doesn't hold up.

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Wow, I dropped the phone and to my amazement, I rather got a shuttered screen. Thank y'all for the advice

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drop it in its case, back of it should hit the floor/table, not the screen part

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Excuse me guys... where exactly are you dropping your phone? Like onto the ground?

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yes 12-16 inches off a hard surface like cement, stone, wood

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Nothing worked until I placed tape on back of sim card. Mush joy......

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My "no service" and "searching" was only solved for real (not temporarily) by turning off "Enable LTE". This is found in Settings, Cellular, Cellular Data Options, Enable LTE, turn it OFF. The reason is that the towers closest to me have not yet been set up for LTE service but they work great with 4G. I have AT&T service. I had the same problem while with Cricket.

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I've fixed this problem on a lot of iPhone 6 and it's always same thing a simple test is to place your phone screen down on a flat surface like a table then push down on each of the corners if the phone rocks your case is bent remove screen and straighten the case until it does not rock and is not twisted put back together and your signal problems will be gone

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Hey guys, still can't believe this, dropping it from the level of my shoulders on hardwood floor worked on ! iphone 6 with IOS 11.0.3 on it would not find network for several days now, tried everything else, none would work except this ! thank you so much !

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None of these 'solutions' will work in the longer term. What is happening in most cases is that 2 pads under the baseband IC have become disconnected and need to be re-connected using micro-jumpers. This happens because the phone chassis is lightweight and flexes while in use and in your pocket etc, and puts stress on a joint under these 2 pins and eventually breaks them. Dropping the phone and sticking things against it might possibly help for a while (by pushing the pins against the underlying traces) but it'll always come back. The baseband IC is linked to the phone so you can't just replace it with a new one; you need to find a reputable micro-soldering technician who will remove the baseband IC, attach the 2 jumpers, reball the IC and re-fit it to the board. This is a difficult and fiddly job which is definitely not a DIY fix, but it will provide a proper, permanent solution rather than all this dropping your phone stuff.

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AndreaBaglione will be eternally grateful.
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