Originally Posted by asifqabil
i have an 8520 locked to orange uk.it was working fine until yesterday, it started giving me no valid sim error and when i search for a new network it just says o2 and gives an error.
the sim is working in my iphone.i purchased an unlock from fastgsm and everytime i try and enter the mep2 code it just restarts the phone.what could be wrong ?.
any advice appreciated
it should say no valid sim error