Check usage

[ScottHatton]

Without using my phone for data (always on WiFi), my balance on the Big Bundle deal has dropped by £6 over the weekend and indeed £15 over the month. This is costing unnecessary money 

how do I check what O2 think I’ve used? I can only see a balance, not my usage 

[gmarkj · Accepted solution]

You would need to contact customer services @ScottHatton.

You can either call 4445 from your phone, or there are alternative numbers and hints on getting through in this guide:

Guide: Coronavirus Community Help and Support