Recent Bill

[Roy3]

Charged £54.63 when account shows charge should be £35.66

[TallTrees]

Have you a device plan, these show separately @Roy3 

We do not have account access here so here

are ways to call o2 Customer services:

Guide: How to find help & contact O2 

[Enlli]

Have you looked in MyO2 to see what the extra charges are for?