You can now get My O2 on your mobile.

By text

To get your current balance sent straight to your mobile, just text the word "balance" to the following numbers:
21202 - Pay Monthly
20202 - Pay & Go

By WAP

You can also access My O2 from your phone. Just save the following as a WAP bookmark:
http://wap.o2.co.uk/myo2account

On your iPhone

My O2 App for iPhone is available as a free download on the Apple Apps Store. Download on iTunes http://o2.co.uk/myo2iphoneapp, or use the key words "My O2" in the search menu.

On your Android phone

My O2 App for Android is available as a free download on Google Play. Download here, or use the key words "My O2" in the search menu.