P PCFreak New member Sep 2, 2010 #1 I have an O2 SIM card that is on a Contract with O2 i have got a new phone from the Vodafone shop when i put the O2 SIM card in there it says "INVALID SIM" how can i solve this
I have an O2 SIM card that is on a Contract with O2 i have got a new phone from the Vodafone shop when i put the O2 SIM card in there it says "INVALID SIM" how can i solve this