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New phone and my O2

Eliseo66
Level 1: Joiner
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Got a new iPhone 11. Already a sim only customer so an upgrade via mobiles.co.uk. Transferred every over ok, however when I to log onto my O2 I get an error msg. This number is associated with another device.
Do I have to call again?
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MI5
Level 94: Supreme
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@Eliseo66 

As this is a new contract you will need new sign in details.

Call customer service and they will set you up Guide: How to find help & contact O2 

I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.

Currently using:
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone 8+ (EE)
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Marjo
Former Staff
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Hi @Eliseo66 , how are you getting on with this - did you manage to get everything sorted with customer service as adviced above? slight_smile 

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