The second generation HTC One—dubbed the HTC One (M8)—features a dual flash and the new Sense 6 UI, and was released March 25, 2014.

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Device will not power on after battery ran dry?

My HTC One M8 will not charge or power up. The phone ran out of charge one evening (first time I let it do so, previously I had always put it on the charger prior to complete battery drain). I hooked it to the charger and the red "charging" LED would not turn on. I've tried several different chargers and power outlets, the phone is four months old, it's never been dropped nor has it ever been wet. I do not know if it is charging, as I have not been able to get it to power on since. The only odd thing I've noticed (besides it not functioning) is that when I plug the charger cable into the phone, an amber LED will light for a few brief seconds. I have tried a soft reset and I've also tried the steps for battery recalibration.

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My htcm8 phone is not showing charging and not coming on

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Thank you so much Bernie, jou saved my day, my phone, my heart rate. I would have never guessed that this was an optien. Delighted!!

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I use the charger that I got with the phone and since this morning it is not switching on and the led blinks It was around 48% when I left it for charging. can anyone help??

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Can help help me trying to figure out how to get my HTC desire 310 working...I replaced the digitizer and lcd screen got a new battery but it just doesn't come on...when I connect the charging cable it only displays the battery charging symbol...after unplugging it and trying to switch it on...it dead as ever...I rechecked all the points on the main board...but can't fig out what's wrong?? Need help with detail help...do I have to instal any software??

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My HTC One M8 just doesnt switch back on after I tried to restart it. Earlier, it was showing no network for some reason so I thought re-starting would hopefully fix the problem. But it never switched back on no matter what. Is it hard bricked? All it shows is the orange blinking LED while charging but there no light on the screen. Also, I was using a charger from a different phone. What can I do to fix this? Or is it beyond repair? I

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Have you tried to reset the charging logic of the device, first you must charge your M8 for a minimum of 10 minutes using a wall charger. With the power off, press down and hold the volume up and down button with the power button for approximately 2 minutes. After 2 minutes, release all of the buttons. After the release the charging logic should be reset. Then charge your phone to 100% using your wall charger. If this doesn't work then its probably a failing battery or charge port.

I am curious what charger you have used to charge the battery. If you are using a generic charger or one that you had from a previous phone it may have caused damage to the battery or the charging IC on the motherboard. This is because the charger is sending the wrong voltage to charge the battery. If you were using the charger that htc recommends then the power IC should be fine, but the battery may still be the cause. If a Li-ion battery discharges to low it usually has a protective circuit built in that will put the battery in sleep mode when it drops below a certain voltage(I think around 2.8v-3v). When this happens the only way to get the battery out of that state it to give it a boost charge. Same idea as jumping a car battery. It needs a higher current for a short time to boost the battery above 3v then you can charge with a regular charger. Anywhere under 3.4v the phone won't power on but can still be charged without a boost if it doesn't go into protective mode. The protective mode keeps the battery from over voltage and under voltage. These batteries will discharge at faster rates if exposed to the wrong conditions. The battery may possibly be faulty and needs replaced.

Can you plug it into a PC and have the PC recognize the M8? Will it charge or light up the LED when connected to a PC's usb port? If not you should examine the M8 charge port for damage. The charge port may be damaged or dirty and preventing the phone from charging or being recognized by PC.

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Thanks you sir , you saved my phone . This method worked flawlessly.

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Your welcome benjaminr345, I appreciate your reply and I'm glad to hear this information was helpful for you.

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I have the same issue as well. I tried the method it did't work. If i take it to get a new battery ... will that help?

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Hi MamaMajor, does the charging indicator LED come on when plugged into a charger? If it does what color is it and is it a constant or flashing light. If the LED is flashing orange then the battery is not communicating properly with the phone. A new battery would likely fix the issue. Does the LED flash red? Flashing red means the battery has a low charge. The battery may be failing and a new battery should fix the issue. If there is no charge indicator LED when plugged into a charger then you may need to replace the USB charge port. If a new battery or USB charge port don't fix the issue then you may have a issue on the motherboard. Hope this helps

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awesome. thanks so much. you saved me money and time. may you be saved from disruptions.

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hey my name is jordan, I was having charging problems with my HTC One M8. it for the lif of it couldnt keep a charge i thought it was my charger cable at first so i tried multiple chargers with the HTC wall adapter and still nothing. eventually my battery just kept draning even with it plugged in untill my phone started dying and i was having a difficult time trying to power it on. so i did some researching and found that if i held the {POWER BUTTON} And the {VOLUME DOWN BUTTON} For 2 Minutes (Yes i know that sounds ridiculous} and to my surprise it started charging again. supposedly doing so recalibrated my battery settings and wahlahhh FIXEDD! very happy hope this helps

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u just saved my htc from sending it to service repair :D

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thank you this really worked for me

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thank you soo much

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Omg that actually worked thanks!!!!!

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Hey jordancoop2.....that was a great tip..i tried it now with my HP10 tablet n it worked.... whew...thanks a ton..qas worried if it had conked...

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''This could possible work or may not work but give it a try...

If your phone isn't TURNING on and your HTC is off try holding the power button and the volume up and down button for 1 min and then plug it up to an CHARGER WARNING - .DO NOT USE YOUR .COMPUTER TO CHARGE YOUR HTC OR SMARTPHONE IT MAY CAUSE DAMAGE TO THE BATTERY.''

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seriously its works, how did u know???? bdway thaks a lottttttt

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Nice one m8, thx! Let me add that after roughly a minute phone was buzzing once, then I let go of the buttons. Finally a battery icon showed up, led changed to green, and everything back to normal. - HTC Desire 820 -

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HTC support actually said you should hold all three buttons for 2 minutes for the HTC one M8, not one. I honestly do not know the difference, but it might be different depending on each phone. I was able to get my battery re-calibrated but it looks like the charging port has become loose or damaged and is incredibly annoying to charge for such a great phone.

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Muy htc one m8 started failing after i picked at the earbud input due to the fact that no earbuds would be recognized,

It caused a bit of smoke to come out and a few sparks...

And after this happened it stiil worked bit the battery would drain instantely,

And after that, it wouldnt turn on anymore although it would charge and only would turno on at 100% battery

And recently its battery drained and it wont turn on,

Just about every 10 minutes while being plugged to a battery charger it shows onscreen the charging display and turns off again and when that happens there is only a red light.

Any advice

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what if i was using a generic charger on my phone and it died while on the charger and now wont charge. its only been a few mins but even when i put it on the charger the led light doesnt show up likes its charging

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READ THIS SOLUTION

if your phone is not charging and showing blinking orange light.

while your phone is off, hold down

power+volume up+ volume down

and while holding three buttons plug in your wallcharger and wait for 10seconds your phone will reboot let all buttons go and let it charge before playing with it.

will work 100% if done rite.

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I had a peculiar version of this that I'll document for posterity.

Phone appeared to not be switching on - when charger plugged in - no light appeared.

However, when the power button is held down the home and back light buttons flash approx 12 times.

The surprising solution - which I found here HTC One won't turn on, flashing Home and Back buttons was to shine a very very bright light onto the phone. I was then able to unlock phone and fix the issue.

(I had set Nova Launcher to enable night mode during a certain time window)

Hope it helps someone someday

(HTC1 M8 Custom ROM)

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hi what i thought you guys could do was take out your battery for 5 min. Don't mess around with your phone the after the 5 minutes are up plug your phone in and hold the power button and the volume button at the same time for 1 minute and 30 seconds if this does not work sorry ill research more.If it does work hoary

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Cant remove the battery, the m8 is a enclosed battery

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Hello i have the same problem with 1 m8 the problem was in the battery i have one for donnor first i tried that with volume and power button but nothing then i oppened the phone and i change the charging port and again nothing and then i changed the battery and the phone power on and start charging and everything worked perfect

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My mobile HTC-820 dual sim has suddenly switched off while I was going through gallery. Now, it is not turning on. I previously thought it was due to battery drainage and plugged the charger but while charging orange light blinks continuously and the phone does not gets on. I need to know what causes it and solution to overcome the problem

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sir my htc one m8 was bricked and by mistake I flashed this file Full-CM12-21-03-15-Bacon-modem-flashable.zip and now my phone is not working at all not even showing charging led what to do I have tried every thing to open it nothing happened can you help me out of this plzz sir....!!

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Lance will be eternally grateful.
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