How to locate sensors(gyroscope/proximity etc)
I have a Nexus 4 which has out of nowhere started having unusual issues. Suddenly few of the sensors (not all) stopped working. Specially the gyroscope(for auto-rotate) and proximity sensor doesn't work that I know off. Otherwise audio,light etc seems to work.
First of all I thought its some compatibility issue with 4.2.2 update and tried every software repair solution that I can get but no avail. I also tried everything like a game,youtube etc to check if gyroscope works in anything but no.
Seems like there is something wrong in the hardware. I purchased it from a guy(not from google), and it seems like he has opened it once or twice, evident from marks on side. There are no proficient repair shop nearby I live who are ready to make an attempt to find the issue and repair it, so I am forced to do it myself. I have the tools to open it up but don't know where exactly to look for sensors and how to check if its working.
I'd be really grateful if you can shed some light on this matter and help me.
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