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Big bundle sim not working abroad

Mash
Level 1: Joiner
  • 1 Posts
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My big bundle SIM card expires today but it hasn’t been working while I’ve been abroad, I’ve been told to call 4444 to top up but I can’t make calls therefore I can’t top up. My O2 app isn’t working and I can’t order a new sim while I’m abroad. Any help? 

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MI5
Level 94: Supreme
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@Mash 

Some things to try:

Check data roaming is on in phone settings.

Manually search for another network

Turn off 5g

Change your data APN to "mobile.o2.co.uk"

Check with O2 whether you have a roaming bar on your account. Do this via social media

If you message O2 on Facebook ( https://o2uk.co/O2CFB) , Twitter (X)( https://o2uk.co/O2CTW) or Instagram ( https://o2uk.co/O2CIG) , they should be able to help.

Guide: How to find help & contact O2 

Guide How to Top Up (PAYG) 

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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