My son in law has given me his old iPhone 7 but it is locked to O2, he
has been given an unlocking code by O2 but how do I use the code so that
I can use the phone on my Three account.He is still on O2 with his new
phone.
No Everything I am told to do does not work, I have unlocked previous
phones with no problems, it only seems to be O2 and Vodafone that don't
make it easy.
ThanksI have put a Three sim in but it just comes up with a message:Sim
not supported. The sim card you have currently installed in this phone
is from a network that is not supported under the activation policy
currently assigned by the activation se...
