Screen keeps going off.

[Micky87]

Phone screen keeps going black and comes back to lock screen.. Somestimes it stayss off for a few seconds and sometimes can be up to a minute. Power button doesnt bring back think it just gets jumpier.

[Uliwooly]

@Micky87

If the phone has a protective case, film, glass, remove it, and clean the proximity sensor. 

[CameronT]

Hi @Micky87,

Welcome to the community.

Does this only happen when you are on calls, or does it happen from anywhere?

Could you please test the phone in safe mode too?

[Micky87]

Happens at random times..

[Micky87]

Have checked the proximity sensor

[CameronT]

@Micky87,

Have you been able to test it in safe mode?

[Juanpablo1]

this is what happens to my phone i have Sony xperia z5

[Qatrium]

@Juanpablo1

@Micky87

Did you expose your phone to water recently? I think it can be a physical problem or shortage below the power button.

[Juanpablo1]

I think it's a problem of the proximity sensor

[AnaLilia]

Hi, I have the same problem, how do I test my C4 in safe mode? Android 5.1