Volume and power button are acting weird

SK4Di

New member
Sep 1, 2019
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Hi,
This problem occurred about a week ago.
When I hold my volume up or down a few seconds to adjust the volume, suddenly the volume bar maxes out or hit the bottom and gets stuck there.

If I try to adjust it on-screen (without the buttons) like when it gets stuck at the maximum volume it jumps to the maximum volume again. (Same thing goes for the opposite).

Now About the power button.
It just doesn't work sometimes. Like it won't turn on my phone or turn it on.

BTW I changed my ROM to AOSP extended for about 2 or 3 weeks ago but this problem just happened as I mentioned before a week ago.

What should I do to fix this?

Thx in advance!