on 18-07-2019 20:10
You should be able to get a detailed breakdown in My O2. If not then give customer service a call
on 18-07-2019 21:20
Unfortunately your MyO2 app won't work abroad but you can always login online.
However it is free to call customer service on +443448090202
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone 8+ (EE)