I have two GM862-QUAD devices with fw: 7.02.606, one is working correctly, the other one is unable to register, giving response +CREG: 0,3 (registration denied). In both of them has been the same SIM card, so it is probably not a SIM problem…
I have performed AT#CSURV on both of the devices. Attached are files with result of the CSURV on working and non-working device. Mobile country code for this card should be 240 and mobile network code 01
From the CSURV I can see that the working gets CELL_SUITABLE, while the non-working has always CELL_OTHER as cell status for relevant cells.
Thanks for the help
very strange: which is the answer of the at+cops? command
Issuing the command at+cops=0 prior registraton solved the problem. For some reason vodafone network has been selected (should be telia) and that caused the registration denied.
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