The problem is an intermittent promixity sensor that doesn't work so the screen still is awake during calls and ear and face touch make not wanted actions on screen..

Hello. I have the same speaker problem... Have you fixed it? EU repair center?
Thanks

Hello. The problem is that promixity sensor suddenly doesn't run and so during call the screen still run and contact of skin run functions not wanted . The reset of preferences is needed...

Now the internal speaker don't work...whereas external work...a lot of problems in few months....

Blackview answer: Hi Customer, please back-up your phone's data, then restore the phone into factory settings Mine: Hello. Thank you for your answer. I back up my phone and before reset in factory settings I tried the preferences ( in french) settings reset and I had been successful without full res...

Hello. I have the same issue with my new 9900 pro. I have tried the*#87# test that show a running proximity sensor in 0 or 1. But the screen is still running during calls...No reply to my message at support02@blackview.hk ... And support01@blackview.hk don't work
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