on 06-07-2020 15:40
on 06-07-2020 15:43
It's most likely the answer to your security question which you can reset in your MyO2 http://www.o2.co.uk/myo2
How to unlock here Guide: Unlocking an O2 phone to use a different SIM card
on 06-07-2020 16:19
on 06-07-2020 16:19
on 06-07-2020 16:30
on 06-07-2020 16:50
on 06-07-2020 16:50
Please note, this is not customer services and we cannot access your account. Do not publish personal details (email, phone number, bank account).
Link to our guide on how to contact them can be found here
on 15-07-2020 15:32
If you put an o2 sim in the phone and it tells you its locked that means its not locked to o2 but locked to another network.
You need to determine what network its locked to by trying a sim from each network in the phone.