Unlock iPhone O2 UK
Official IMEI unlock for Apple iPhones locked to O2 UK. Unlock your mobile to work on any network. Your IMEI will be whitelisted and marked as sim-free in Apple’s IMEI database.
To unlock your O2 iPhone, first check that it is locked. Insert a different SIM card, and if your phone is locked you will get a 'SIM Network Unlock message' or similar.