1. MUSAP's Avatar
    i have problem in the. screen it become blank when I'm calling.
    My phone. Sony xperia z android. 4.4.4
    I have to restart the phone after each call.
    I want help guz ty
    04-25-2015 06:31 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! It's supposed to go blank if you hold it up to your ear while calling (to prevent your face from pressing any onscreen buttons). This is a function of the proximity sensor, which is right near the front camera. So if there's something else blocking it (like your finger, an ill-fitting case, or a dirty screen protector), the phone might think it's up against your ear during a call, and turn the screen off.
    04-27-2015 11:54 AM
  3. NoEl surya's Avatar
    I guess there is a malfunction with the proximity sensor mate. Make a backup and install the ROM again. I mean flash your concerned FTF or do a factory reset by going to recovery.
    05-29-2015 07:22 AM

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