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FAQs: My O2

Hi all, welcome to the My O2 board! If you need advice on My O2, this is the place you can post your question to and get replies from other customers. In case your question relates to My O2 Business, you might also find some helpful information in ou...

Resolved! Increasing Data Allowance

I have used all of my monthly 25GB data usage allowance because I had to reset my mobile phone and reinstall all Apps and data.How do I buy more data for this month?

Why am I charged non-EU roaming SMS messages even when I am not accessing these

Why am I charged non-EU roaming SMS messages even when I am not accessing these.

Device Upgrade

I am trying to upgrade my device, I have selected my preferred upgrade and plan on My O2 but there is no option to proceed to checkout. Please assist me.