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HTC One X losing GSM (sim) signal and can't gain it back just after a reboot.
I recently bought a second hand HTC ONE X phone and I have this problem.
The micro-sim that i attached is new, no scratches.
It look like after 2 hours of standby activity, the gsm signal is getting lost and the only way I can get it back is by restarting the phone.
I switched the network to GSM ONLY and the signal last longer ( like 8-9 hours), but if I swtich to WCMDA only or GSM/WCDMA auto it will lose the signal in 1-2-3 hours.
I don't have warranty.
What can I do?