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Sim not registering.

Shedhead
Level 1: Joiner
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Hi. I lost my phone so I got a replacement sim from o2 with same phone number.
I used the replacement sim in my Samsung tablet and it worked fine.
I then found my original phone (Nokia) so I tried putting the replacement sim into it.
Im now getting a "Unable to register sim" message on my original phone.

Can anyone help?

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jonsie
Level 94: Supreme
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Shedhead
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Thanks jonsie.

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cashangelsbusin
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i cant reister my sim
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MI5
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@cashangelsbusin 

https://www.o2.co.uk/help/phones-sims-and-devices/activating-your-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:
Pixel 7a (O2 & Lyca), One Plus 6 (Sfr), iPhone 12 Pro Max (Vodafone)
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