I have seen messages that a firmware upgrade came out Sept 4th for Galaxy 3 but I did not receive it....since I constantly get the "not allowed by SIM message" and use airplane mode on/off to fix it (I haven't switchd to a new sim card as of yet because I read the problem still exists after doing so).... I am wondering if anyone knows if this firmware upgrade fixes the "not allowed by SIM" problem???
I was told today by tech support that the solution to the problem is go to :
Network Mode - default is GSM/HSPA/LTE (Auto mode) - need to change to 2nd setting on list - GSM/HSPA (Auto mode)
Fingers crossed that it works. Wish that the first two tech support people that I talked to knew this! It would have saved me hours and hours of fiddling with my phone and computer and being on hold with Rogers tech support, time on the phone with them, etc. (and their time too!) !