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2017-09-30 05:00 PM
My phone shuts off the proximity sensor when I pinch the top left corner, it sounds like the fix on this thread (which is hardware not software related) sounds plausible:
2018-02-09 11:49 AM
my phone sony c3 sensor not working.and check this method but my proximity sensor is off.
how to proximity sensor on.????/
2018-05-01 08:22 AM
Proximity sensor on my xperia z5 shows always "On" and turns off only when I press upper right corner of the phone. When I type *#*#7378423#*#* I don't have calibration option, what can I do. Any suggestions?
2018-11-09 12:38 AM
Positioning the tape is touchy, but I was able to restore normal operation on my Z5 Compact.
This method (or a spot of nail polish) could also be used to simply disable the proximity sensor without any other hardware or software hacks.
December - last edited December
On my Xperia Z3, proximity sensor was always on (after fixing SIM reader issue). Removed rear cover. Loosened screw at the WLAN antena (it's the one above the USB port looking from the back of the phone) and applied and relesed pressure on the WLAN antenna by hand while checking the sensor in service mode until it worked properly. In the same time, also played with the screw by loosening and tightening it.
2 weeks ago
For me the proximity sensor problem appeared after I replaced my broken LCD.
I tried various methods, but could not recalibrate the sensitivity.
I took the phone apart, removed the motherboard, plied up the proximity sensor. I found that the new screen had a tint above the proximity sensor.
I used a very small flat screwdriver to remove the color from the front glass from "behind", through the proximity sensor's hole.
This has fixed my issue, but I know it's not a simple solution.
It would be much more simple to recalibrate the sensor...