Turn off mobile data on your phone so it doesn't connect to data services.
You can leave wifi turned on to download data over a wifi connection for free.
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.
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