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I have problems starting my Apple iPhone 16 Pro Max
If you can't start your phone, after having turned it on, there may be several causes of the problem.
Press Settings.
Sign in to the O2 website to have your phone unlocked.
Contact customer services to have a new SIM sent to you.
Contact customer services to have a new SIM sent to you.
Check that the SIM PIN is correct.
Before you can use a SIM from O2, you need to unlock your phone using an unlock procedure. To get the unlock procedure, contact the operator that locked your phone.
Sign in to the O2 website to get the PUK.
