on 30-03-2021 14:37
Solved! Go to Solution.
on 30-03-2021 16:55
@Breege00 There's this guide, but I'm not sure it will work from abroad. Your sister may have to send the phone back to you:
Unlocking an O2 phone to use a different SIM card. - o2uk
I DO NOT WORK FOR O2
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