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(Possible Brick) Power button not work, bootloader freeze, device turns on itself

Okay, so here it goes:
- Been trouble with "sudden loss of mobile network issue" for a month or so (ref: http://productforums.google.com/forum/#!category-topic/mobile/android-devices/NCwPW3A_ibM http://code.google.com/p/android/issues/detail?id=14672 )
- So I flashed to 4.0.4 stock image from the google website, a. Everything worked so well, and I got my signal back. I followed these guides (http://floatingsun.net/articles/howto-flash-gsm-galaxy-nexus-to-google-factory-image-on-mac/ http://forums.androidcentral.com/ne...ide-factory-image-restore-your-nexus-7-a.html) and they worked for me well (again).
- I wanted to lock and reunlock my bootloader again from fastboot. Locking process goes well. But when I tried to unlock my bootloader, after that yes/no screen my computer went dead. And my phone freezes on the bootloader. I pulled out the battery, and then put it in.
Magically, my phone booted by itself (without me touching the lock button). And the OS loads up seamlessly. Everything inside works well, except the power button. It's unable to put the device to sleep or even bringing the power menu. I rebooted several times via ADB, still no change.
- Maybe it's hardware problem, so I turned off my phone via ADB, and it's always turn on again right after. Then I tried to pull out the battery, and nope.... still turning back on. At one chance I pulled the battery, and immediately pressed the Power button and Vol Up, so it'll boot to bootloader. The bootloader boots that way.
- Yes, bootloader boots, but fastboot wouldn't recognize my phone. Plus I can't use the vol button and power button in the menu. It just freeze. typed "./fastboot devices" didn't give me any feedback. rebooting the bootloader via fastboot always prompt the < wait for device > endlessly.
- Upgraded to JB 4.1.1 OTA via software updater, no change on these 3 issue.
SUMMARY:
1) Power button not working, both in bootloader or in OS. But putting phone to bootloader by using power + vol button works, so I guess it's not hardware..
2) Bootloader freeze, fastboot works fishy. Cannot do anything here. (see above)
3) Everytime I turn off, it always turn back on.
I appreciate to those who read all above carefully. Thanks. I hope I can find answer.
SOLUTION(S) to try:
1) try sdk in windows at home. I'm using mac at the office. (I guess it's just the same) NOT WORKING
2) Try this tool at home (http://forum.xda-developers.com/showthread.php?t=1672708) NOT WORKING
3) last and least; go to samsung repair service
DEVICE INFO:
i9023
IMEI ok
BASEBAND: i9023XXKF1
BL Version: i9020XXLC2
kernel: stock
Build Numb: JRO03E

Tried solution #1 and #2, still same response. On command prompt still displayed < waiting for device > endlessly :/
Any advice?

Broken power button. It's a hardware issue, not software. It's a known issue that when the power button breaks on the Nexus S it stays as "pressed" and you cannot scroll in bootloader and you cannot use fastboot.
What do you want to achieve anyway? Unlock your bootloader? Might I ask why you locked it in the first place?

polobunny said:
Broken power button. It's a hardware issue, not software. It's a known issue that when the power button breaks on the Nexus S it stays as "pressed" and you cannot scroll in bootloader and you cannot use fastboot.
What do you want to achieve anyway? Unlock your bootloader? Might I ask why you locked it in the first place?
Click to expand...
Click to collapse
I see... just found the culprit a few hours ago.
I wanted to restore it to factory default, following this guide.

[Q] Stuck at Fastboot screen

Good day all, as the title states the phone is stuck at the fastboot screen, won't power on unless its plugged into my laptop and the volume or power keys don't work, this all started because I had a rom flashed, it lagged and got stuck in landscape mode and the power button stopped working, I go to flash a new rom (i'm assuming the download or whatever was bad and phone would get stuck after Google Logo) now it will only power on and go into fastboot if I press Volume up + power but the volume keyes won't work, any help is appreciated

Phone Not Booting Up Properly ? Help

Normally when you boot up your phone you press the power button for 2-4 seconds But no on mine
i hold the power button of 2-4 seconds - Doesnt Boot up
i hold the power button and the LED's in the touchscreen controls flash 16 times then stop - still no boot
i hold the power button and the LED's in the touchscreen controls flash 16 times then stop i release the power button and press it again it then finally boots - Boots up
I Have tried with and without fast boot no difference
I Have Root,S-OFF,Custom Recovery And CID HTC_001
i dont mind if i have to use fast boot as quick boot (app) can boot me into boot loader recovery etc..

Hold down the POWER key until the keys flash, and let go once they stop. Hold down the volume down key, and run the appropriate RUU for your device in fastboot USB mode.

[Q] Device does not go past HTC splash screen

Hello everyone,
Some time ago I've decided to flash a costume ROM on my HTC One S (S4), as its warranty expired. This is my first time doing such a thing to an Android device.
Earlier today, I unlocked the bootloader successfully, flashed Team Win Recovery Project and than flashed the latest snapshot of CyanogenMod 11 by following the steps described in the CyanogenMod website.
After the installation finished, I rebooted the device from the TWRP menu. However, the device did not boot at all.
If I try powering the device on (holding the power button for 2-3 seconds) or try getting to the bootloader menu (holding the volume down and power buttons), nothing happens. Hard reset does not work either: I hold the power button, the soft buttons (back-home-recent apps) blink fifteen time, the HTC splash screen ("quietly brilliant") is shown, and then the phone shuts down again.
* The battery is not drained -- after I installed the ROM, the device had around 90% charge.
* My computer does not recognize the device, so I cannot use adb or fastboot commands. [Obviously, this is not a driver problem -- I used the same computer to unlock bootloader and for the flashing.]
Is my device bricked? If not, is there a solution for my problem?
Thanks in advance,
Yoni

YoniKF said:
Hello everyone,
Some time ago I've decided to flash a costume ROM on my HTC One S (S4), as its warranty expired. This is my first time doing such a thing to an Android device.
Earlier today, I unlocked the bootloader successfully, flashed Team Win Recovery Project and than flashed the latest snapshot of CyanogenMod 11 by following the steps described in the CyanogenMod website.
After the installation finished, I rebooted the device from the TWRP menu. However, the device did not boot at all.
If I try powering the device on (holding the power button for 2-3 seconds) or try getting to the bootloader menu (holding the volume down and power buttons), nothing happens. Hard reset does not work either: I hold the power button, the soft buttons (back-home-recent apps) blink fifteen time, the HTC splash screen ("quietly brilliant") is shown, and then the phone shuts down again.
* The battery is not drained -- after I installed the ROM, the device had around 90% charge.
* My computer does not recognize the device, so I cannot use adb or fastboot commands. [Obviously, this is not a driver problem -- I used the same computer to unlock bootloader and for the flashing.]
Is my device bricked? If not, is there a solution for my problem?
Thanks in advance,
Yoni
Click to expand...
Click to collapse
You may have a chance if you can get into "Bootloader"
Try holding the Power Button and Count to 10 Exactly to power it down and then try Power Button and Volume Down to get into "Bootloader" (Unplug the USB)
If you can get into Bootloader, check if your phone is "S-off". If its "S-on" Then you flash the kernal into the phone..

SGH-i727R Boot Loop Issue & cannot get to Recovery Mode?

Normal boot sequence results in boot loop few seconds after second logo (SAMSUNG) appears, then a brief screen flash (like a thin white horizontal line), then bzzz ... bzzz and so on.
When I try to enter Recovery Mode (hold middle volume & power simultaneously), wait for 2nd logo (SAMSUNG) to appear and release power button, it goes into boot loop before it can reach recovery mode. Specifically, when I release power button, it vibrates again, and goes back to two logo sequence, then a screen flash, the I get the dreaded one second cycle pulse vibrations.
When I try to Boot into Download Mode, the custom OS warning screen appears, I release the power button and within a few seconds it goes into boot loop
I suspect the hardware is fine. Is there any way to revive this by different means?
As background, I had first bootloop issues about a year ago and was able to resolve using the above method. I then upgraded from original ICS to Jelly Bean 4.1.2 which I installed using ODIN. The phone worked fine for like 6 months until this.
If you haven’t guessed, I’m a bit of a newb here.