Calibration
- Enter test panel:
- On dial-pad enter:
- * # * # 64663 # * # *
- or
- * # * # 6484 # * # *
- * # * # 64663 # * # *
- You will see “Hardware tests” screen.
- On dial-pad enter:
- Calibrate Proximity sensor
- Select “9. Proximity sensor”
- Click on Calibrate few times till you will get PASS result.
- Click on home button
- Based on the following post.
Enable / Disable proximity Sensor
- Settings->search “incoming call settings”->Proximity sensor->disable