my phone broke that i had 48 on so i got a replacement phone and went on O2. My phone is fixed now and i want to come back on 48 but this keeps coming up '' You current SIM is inactive. Please active it here when you receive your code'' and when i put my registration code in for my old sim that i used before i was on o2 it was keeps saying '' SIM registration code is not valid '' how do i get back on 48 now? help
