I have a problem with my Sony Xperia XZ3 H9436 it restarts after a halv or in a minute in normal mode. Even with a sim or without. It only works without restarts in plane mode or in safe mode with plane mode. I have android 10. I have tried to turn of side sensor and one hand sensor since another had that problem. Is there any way to test the cell radio? I doubt i can use secret codes in the phone since i can't use a sim.