on 20-01-2024 16:43
on 20-01-2024 16:48
At the moment you will need to create a separate account with a different email for the second phone.
The facility to have two or more combined is temporarily withdrawn
on 20-01-2024 16:49
At the moment each account needs it's own My O2 with a separate email address
O2 have suspended the merging of accounts until everyone has been changed over to the new billing platform