Saturday, April 30, 2016

[Q] Back Button and Menu Soft Keys Note Working

Hi
My Galaxy Note 3's (SM-N900W8) back and menu soft keys are not working properly.

Cause:
After rooting my phone and using it with a custom rom (Resurrection Remix-M-v5.6.5-20160319-hlte ROM) for a couple months, i decided to unroot it and return it back to stock rom / firmware (Android 5.0 Lollipop N900W8VLU2DOH1). Once successfully returned back to the stock OS, I soon learned that my back and menu soft keys are no longer functioning.

Detailed Problem:
- Menu key opens up S Finder instead of "menu pop-ups"
- Once S Finder opens up, it takes about 30 seconds for the menu key to "respawn" and become pseudo-functional again
- haptic feedback works as usual
- Back key is completely unresponsive
- Both key's backlit light illuminate
- Both keys function properly when running either Samsung's Stock Android 4.2.2 or a custom rom like Resurrection Remix

Trials:
- Flashed undesired stock 4.2.2 firmware (and discovered that both keys work) then updated OTA to Lollipop 5.0 (the problem reappears)
- Reflashed various stock lollipop firmware (Rogers vs Fido variant) (from Sammobile) -> problem persists
- Flashed undesired custom rom (resurrection remix) -> both keys again function properly
- Wipe cache through both stock and twrp recovery (obviously on seperate occasions) -> problem persists
- Factory Reset from phone's settings, through the phone's stock recovery, and through TWRP recovery -> problem persits

Conclusion:
It is obvious that the soft keys themselves are not damaged / broken, but there seems to be a software issue. I don't think it's safe to say that the firmware is corrupt, since I tested it from OTA Samsung servers and tried two variations of the firmware from Sammobile. It is odd to see that the menu key opens up S Finder rather than the proper menu options. Anyone have any suggestions, solutions, or ideas on the problem? I would love to be able to run my phone again on stock android 5.0 lollipop touchwiz firmware (no custom rom).

Your help is much appreciated! :D

Sammobile Stock Firmwares: http://ift.tt/18pTryO
Resurrection Remix ROM: http://ift.tt/1SRirBX


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