Revamped version of the iPhone 3G with faster processing speeds. Repair of this device is similar to the 3G, and requires simple screwdrivers and prying tools. Model A1303 / 16 or 32 GB capacity / black or white plastic back.

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iPhone Shuts off randomly, goes to apple screen

So I have an Iphone 3gs 32gb. I think it's about 2.5 years old ( I got it off a friend) initially I had a hard time jailbreaking it and unlocking the phone because when I put in my simcard it would give me a no service/searching.

Not sure what my friend did to unlock it but it works perfectly. But now it would randomly turn off and when I do a hard reset (home button and power button pressed at the same time) it'd take me to the apple logo. Occasionally when I plug my iphone in to a power source, a yellow screen would show. However I am able to recover out of the apple logo page/yellow screen when I plug my iphone into my computer or a wall-charger. But when I take it out of the charger 1-5 minutes later (depending upon the percentage of battery I am in) it would crash again, reboot to the apple screen and then I'd have to plug it into a powersource in order to get out of the apple logo screen.

Anyone knows what's wrong? Is it a battery problem? I'm starting to believe it is, it's crashing and rebooting when I'm around 80% battery and doing so more often and at shorter period of time as my battery life decreases to 70% until to the point at 60% where once I take it out of my charger (just after recovering form the last random shut down)it'l just automatically shuts down.

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Sounds very much like a battery problem. Start there and also try cleaning any dirt etc from the charging port with a tooth pick or similar.

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When I was playing doodle jump are just sending a text it would turn off the day after I got out of a white screen error. I just restored and it hasn't happened. Try to back up in iTunes and then restore and see if that helps. If not, it could be the battery or a shortage. Also if you can, go into Settings, general, about, and diagnosistics & usage. If you can look at the latest one after you crash and it says something about crashing, then I would restore. If not, go to apple and have them look at it. Also, what % does it go out at most? Mine was 49%.

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i had this problem too u must backup and restore your iphone and not jailbreak it.... jailbreak caused this

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I got a variety of different problems after replacing my 3GS battery (iPhone 3GS, iOS 6.0.1). I was pretty close to trash it. But I found a way to get back to life and want to share the story. My conclusion is that is seems that the software (apps & iOS) is dependent on correct power management. With a battery replacement is that radically changed. First of all get a good replacement battery, no fake ones. You get what you pay.

After replacing the battery the indicator wasn’t correct but I could live with that. Resets (home button + sleep/off button for 10 sec) and restores via iTunes didn’t help. Then started the problems. After 2 days the phone began to shutdown using the camera/GPS or simply getting a call. Annoying, especially with a new battery.

I tried everything you can read on the net. Nothing worked, it just got worse. Cleaned every connector. Put the old battery back, didn’t work either. It was dead.

My final call was this: put in the new replacement battery and tighten all screws properly. Restore the phone from iTunes, but DO NOT, I repeat do not, restore the data from the backup from iTunes. Restore the iOS but when the iPhone reboots and iTunes will continue with coping of data (apps, calendars, music etc) ABORT that process. The data from your backup will corrupt your iPhone. Abort the process, unplug your phone and let it start up alone like a new phone. You need a clean start with a new battery.

This means that you need to download your apps again. I did that very carefully (perhaps too carefully, but I did want to know if any app corrupted my phone). I have now synchronized my calendar and contacts via iTunes but I have not restored any apps. It works flawlessly. The battery indicator is even back and correct!

I’ve got it all back: a working iPhone w/o shutdowns, a battery indicator and a new, fresh battery. Good luck with your battery replacement. ;-)

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My iphone shuts automatically trune off and when i trune on but apple logo still in few mintus and goes trune off and when i plug in charger my iphone getting on plzzzzzzzzzzzzzzzzz help me how fix it and i also restore my phone still problem some one plzzzzz help........

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