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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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Phone not powering on, only red charging light.

Hi there,

I have just bought a HTC One M8 that had many issues. It would not power on and when I plugged it in, half of what looked like a battery icon and then a load of colors appeared on screen (the display was damaged) I opened it up and replaced: the battery, the SD card and volume flex, charging port flex and LCD display. I put it all back together with no problems but now when I plug it in, all I get is a red light and nothing on the display. I thought the display could be defective because nothing was coming up so I plugged in the old one and I still get a blank screen. I have searched everywhere and I don't know what could be wrong. I have heard that if you charge it with a quick charge charger for 10minutes and hold some buttons down, you can re calibrate the board and it may turn on but I don't have a quick charge charger and have tried pressing the buttons with my standard charger and have had no luck. I would like to know what other people think before I buy a charger. Any ideas what's wrong?

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Hi . I have same issue . Did you find solve ? Please answer @jevtheboss

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You may find this answer I posted in a previous question useful. It has helped many in a similar situation.

Device will not power on after battery ran dry?

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Hi, thanks for the quick reply, I am sorry I took so long to reply but I was waiting for the official htc charger to arrive. Unfortunately, this method didn't work with both chargers. Any ideas?

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Have you tried booting to recovery? I've had this before but not after so many initial problems. However if you can at least boot into recovery it might give you a bit of an insight as to whether power is getting to the phone at least

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Hi, thanks for the quick reply but no it can't turn on at all and can't get into recovery

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Hi . I have same issue . Did you find solve ? Please answer @jevtheboss

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Hi,

Unfortunately, I was never able to fix the issue :(

Sorry,

Jev

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Jev F, try this twice or three times…

Remove the battery and put it back after 5 min. Charge the phone for 10 min. Then hold down vol up and vol down buttons simultaneously then the power button. Hold these 3 buttons for 2 min + then release the buttons. It should start charging

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The same thing happened with me on a different phone , however I found out that in phones which have a unremovable back the battery is joined with a socket through a cable which comes out. So in order to fix it , I opened it up myself and just pressed the wire into the socket and it started.

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Jev F さん、ありがとうございました！
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