HI, my HTC One when i select GSM/WCDMA/LET auto, after 30 minutes, i cant make or receive calls, and the same for text msg.
It only works if i change to GSM or WCDMA, if i change do GSM/WCDMA auto its the same problem of LTE.
My sim card is 4G ready.
Any clue for a solution?
Im from...