try to do that dial to *#*#4636#*#* , go to phone information scroll down to turn on radio , try to set to wcdma only or go to menu and select radio band to your country , send feedback if that help
the phone get to airplane mode by turn the radio phone suplly off , i cant turn it back on only by restart , its happend in all the rom even the new one . what shuld i do ?
thanks