on 13-06-2015 12:11
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone 8+ (EE)
on 13-06-2015 12:19
Hi there @Anonymous
You have to do it Online as customer services cannot make any changes on the O2 auto top-up
You need to go back to my O2 and find "Regular Top up" and then edit the amount.
Hope this helps