CT T New member Jul 12, 2019 1 0 0 Jul 12, 2019 #1 When I knock on my phone's screen(Mate 20 pro), the whole frame vibrates. Is it normal? Should I be concerned about it? Last edited by a moderator: Jul 13, 2019
When I knock on my phone's screen(Mate 20 pro), the whole frame vibrates. Is it normal? Should I be concerned about it?
Rukbat Retired Moderator Feb 12, 2012 44,533 42 48 Jul 13, 2019 #2 Yes - something is evidently loose somewhere.