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Hannah282
Level 1: Joiner
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Hello, I’ve just upgraded my phone which arrived today. However it came with a new SIM card and I was just wondering if I need to use the new one or old one? If I need to use the new one will my number be the same? Kind regards Hannah 

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MI5
Level 94: Supreme
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@Hannah282 

You can use your old sim or activate the new one if you can get the use of 5g.

Do a sim swap which with keep your number on the new sim Guide: Sim Swap: a mini guide 2017 update 

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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MI5
Level 94: Supreme
  • 128169 Posts
  • 614 Topics
  • 22505 Solutions
Registered:

@Hannah282 

You can use your old sim or activate the new one if you can get the use of 5g.

Do a sim swap which with keep your number on the new sim Guide: Sim Swap: a mini guide 2017 update 

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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