on 02-09-2019 12:24
Call customer service on 202 and they will do it for you.
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone 8+ (EE)
on 02-09-2019 14:45
Make sure you pay your latest bill rather than trust the direct debit is in place to cover it. Keep an eye on My O2.