Hello there, I can't help with this, all I can say is I have the same issue. No tilt sensor/ compass function. Diagnostics show gyro and accelerometer and that they work, but absolutely no compass/magnetomer sensor - which used to work before. As a result any tilt detection seems to not work, any compass function is not working. I'm not sure if this is hardware or software related. Sony tech support indicated I should bring in to them for further diagnosis or repair, as it is failing the diagnostic. Don't have any further feedback yet as I will have to hear what the service centre says.
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