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Level 1: Joiner
Posts: 2
Registered: ‎18-03-2016

SIM card is not working

I’ve got a new phone and a new SIM card with it but on existing number. Didn’t use that number for long time, in case.
So, I put a new SIM card in the phone but it doesn’t work. Tried to send messages to o2, to swap a card, it failed.
Can’t connect o2.... what to do?
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Level 28: Ingenious
Posts: 1,200
Registered: ‎02-07-2013

Re: SIM card is not working

The only option is to call O2 at the moment, they will either send you a new provisioned SIM card out, or complete the swap to the one you have.

If you have no mobile you can try calling with Skype etc
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Posts: 100,495
Topics: 546
Solutions: 12,783
Registered: ‎04-04-2012

Re: SIM card is not working

@Inese1 

Try your old SIM?

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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Posts: 86,655
Topics: 729
Registered: ‎14-01-2013

Re: SIM card is not working