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Just flashes on startup. Black Screen

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os2baba
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Unhappy Just flashes on startup. Black Screen

I got an HTC One S from a friend who got it from another friend. I don't have any history on the device. He gave it to me to fix because I'm the only Android user he knows and his phone won't start.

If I keep the power button pressed, the capacitive buttons flash exactly 15 times and occasionally the phone vibrates. I don't have a One S so not sure if that indicates that phone was started or shutdown.

Neither fastboot devices not adb devices shows the device. But every once in a while when it vibrates, if the phone is connected to the PC with a USB cable, it beeps - like it's connected. I don't see Android Phone in Device Manager. But I see a MTP USB Device with a yellow exclamation mark. Uninstalling and reinstalling HTC Drivers didn't fix the problem.

I have tried Power+Volume Down key. Shining a torch on it (seemed to work for a few people), keeping it plugged into the mains for 3 days, kept it in the freezer for 2-3 minutes (also seemed to work for one person).

I think when I first got the phone and plugged it into the mains, I saw a red charging light. But I may be mistaken. In any case, there is no light anymore indicating charging. But I don't think that's the problem.

I have no idea whether the device is bricked or not. And if there is any way to fix it. Samsung has Odin which makes any Samsung phone practically unbrickable. I haven't used any HTCs since the G1 so have not been in touch too much with the HTC development. But from reading, it seems that messing around with Romming with S-ON can cause the phone to be bricked. And perhaps that's what my friend or his friend did. Does this sound like that's what could have happened?

Thanks for any pointers.
 
ayyu3m
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I dont think the device is bricked. its just a little harder to press the power and volume down when you see the buttons flashing.

just check and do these steps.

connect the mobile to charger and see if the orange light comes and stays on

if the orange light is there, press the power button and keep your finger ready near the volume down button

you should keep the power button pressed and as soon as the orange light disappears you should press the volume down button until you end up in boot loader screen

give this a few tries and see if the device boots up in bootloader

HTC One (M7C) Android 4.4.2 Sense 6

Previous Devices
One S (VilleC2) Android 4.1.1 Sense 4+
Desire X (ProtoU) Android 4.0.4 Sense 4.1a
Wildfire S (Marvel) Android 2.3.5 Sense 2.1
HD2 (T-Mobile Leo) Android 2.3.3 Sense 2.1

Autumn Skin for Desire X
Additional HTC Widgets - Desire X (by ckpv5)
Index - Everything Desire X (by nlooooo)
 
os2baba
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Quote:
Originally Posted by ayyu3m View Post
I dont think the device is bricked. its just a little harder to press the power and volume down when you see the buttons flashing.

just check and do these steps.

connect the mobile to charger and see if the orange light comes and stays on

if the orange light is there, press the power button and keep your finger ready near the volume down button

you should keep the power button pressed and as soon as the orange light disappears you should press the volume down button until you end up in boot loader screen

give this a few tries and see if the device boots up in bootloader
The problem is that I no longer see any light at all when I connect the phone to a charger. It's probably fully charged. Would that show a green light? If so, that's not visible either. I have a feeling that the bootloader has got wiped out or something.

I read in one post that the phone may be stuck in the QHUSB-DLOAD mode.
So I followed the steps in http://unlimited.io/qhsusbdload.htm. But that didn't help. I don't remember the exact statement since I was running an Ubuntu Live CD. But the gist was that it couldn't connect to the phone so presumably it's not stuck in QHUSB-DLOAD mode. Although the site states that it will NOT fix QHSUSB_DLOAD issues encountered by flashing ROMs - which may well be what may have happened.

I understand that running an RUU for the HTC One S may set it back to factory state. But for that I need fastboot to work.
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