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원문 게시자: Elizabeth Pena ,

제목:

Why do all my navigation keys stop working, except the back button?

텍스트:

Out of nowhere, my navigation keys stopped worked. All I was literally doing was watching YouTube. I did not change settings nor download anything. Also, I stopped getting any notifications. I just restarted my phone, is it bad to do that?

기기:

ZTE ZMax Pro

현황:

open