@Bliss
Tariff changes or upgrades can be done in your http://www.o2.co.uk/myo2 and you should always make a backup of your phone before updating it to avoid data loss issues.
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.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
