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Unlock phone when no longer an o2 customer

Ll78
Level 1: Joiner
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I am no longer an o2 customer but have an old phone I want to use on another network. I filled fin the form and they won’t unlock because of security questions. I can log in online because I am no longer a customer. How do I unlock this
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MI5
Level 94: Supreme
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@Ll78 

Manual entry form here Guide: Unlocking an O2 phone to use a different SIM card 

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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Ll78
Level 1: Joiner
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I can’t log in
Message 2 of 3
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MI5
Level 94: Supreme
  • 143403 Posts
  • 632 Topics
  • 27489 Solutions
Registered:

@Ll78 

Manual entry form here Guide: Unlocking an O2 phone to use a different SIM card 

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)
Message 3 of 3
3,275 Views