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new sim

hg74
Level 1: Joiner
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on ‎26-12-2025 14:18

on ‎26-12-2025 14:18

just had a new phone and sim card, popped sim card into my new phone and it won't activate, can't make phone calls as it says not registered to network. help

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madasaf1sh
Level 79: Lord of the Boards
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on ‎26-12-2025 14:21

on ‎26-12-2025 14:21

@hg74 

 

You will need to contact o2, and ask them to activate them, all the details are here Guide: How to find help & contact O2 

This is not customer services and we dont have access to your account
I do not work for o2 or any VMo2 /Telefonica/Liberty Global Company
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MI5
Level 94: Supreme
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on ‎26-12-2025 14:36

on ‎26-12-2025 14:36

@hg74 

You can do a sim swap yourself if it was an upgrade Guide: Sim Swap: a mini guide 2017 update 

Or use your old sim.

If an esim, it can be activated in your MyO2 eSIM - How to activate  

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.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
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