on 13-04-2020 20:52
Hi, I had an upgrade code for an iPhone 11. But its currently saying invalid and can't get through to them.
on 13-04-2020 20:57
You need to contact O2 Guide: How to find help & contact O2
Other numbers to try
0800 977 7337, 0800 587 4005 and 0800 090 1808
You could try Skype 0800 032 1402
https://community.o2.co.uk/t5/Off-Topic/A-Guide-To-Skype/td-p/1305104
Skype for Mobile
https://www.skype.com/en/get-skype/skype-for-mobile/
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