back and menu buttons not working.

hi sir

i am a phone software repair man. i have updated a galaxy s4 from 4.4.2 to 5.0.1. it is working but back and menu buttons not works.

after that, i installed android 5.1.1 custom roms, downgrading to original 4.4.2, doing all wipes using custom recoveries, but they didnt work.

please help me.

excuse me for poor english.

best regards

Ответ на этот вопрос У меня та же проблема

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