1. WPCentral Question's Avatar
    Hello,

    I am using Nokia Lumia 525. Phone is working fine, but when dial the number, display light is off through out the call even i keep away during call still Display is not coming. while end of the call, unable to cut the call due to off display. need to press lock key n display is coming for 1 sec n need to cut the call.. kindly suggest.
    09-04-2014 09:02 AM
  2. roni09riku's Avatar
    Are you on DP or Cyan? If you're still on WP8.0 then you probably have a defective proximity sensor, since that's the one responsible for turning off the screen when your face is near the phone during calls. If you did update to WP8.1 (whether DP or Cyan), but never had this problem while on WP8.0, you might simply have a bug. Try soft resetting and if unsuccessful, a hard reset. Hopefully that fixes your problem.
    09-04-2014 10:22 AM
  3. berty6294's Avatar
    It may be even more simple. Clean the front of your phone, especially around the proximity sensor (usually near the earpiece and ffc) Make sure you don't have a screen protector covering it as well!
    xandros9 likes this.
    09-04-2014 10:28 AM
  4. roni09riku's Avatar
    It may be even more simple. Clean the front of your phone, especially around the proximity sensor (usually near the earpiece and ffc) Make sure you don't have a screen protector covering it as well!
    Why didn't I think of that? lol
    09-04-2014 10:44 AM
  5. xrs22's Avatar
    If you pocket your phone than dust and lint is a real problem to get into the phone. 920 and I think 900 too has a problem with dust getting on the front facing camera and prox sensor.
    09-04-2014 10:56 AM
  6. roni09riku's Avatar
    If you pocket your phone than dust and lint is a real problem to get into the phone. 920 and I think 900 too has a problem with dust getting on the front facing camera and prox sensor.
    I used to own a 900. Never had a problem with dust covering the camera or the proximity sensor.
    09-04-2014 11:14 AM
  7. xandros9's Avatar
    Had a user a couple weeks ago fix his proximity sensor by blowing some compressed air into the earpiece. (model was a 920 I believe)
    09-04-2014 06:36 PM

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