I have just changed my sim only tariff, I did not need a new SIM card. It went through successfully but what happens next, when will my account show this change and when will my bill amount change? Thanks
If you check your MyO2 now I would guess it has updated already.
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Currently using: Pixel 7a (O2 & Lyca), One Plus 6 (Sfr), iPhone 12 Pro Max (Vodafone)