Tap2Bill are a premium messaging service that people are meant to subscribe to in order to receive "stuff" (like ring tones or news or horoscopes).
Most people do not actually subscribe to these, they click on a link on social media and start getting charged @F-Harv .
Check out the advice in the two guides below, and the websites.
Guide here Guide: Have you fallen for or been conned into a premium rate scam? What to do next
How to stop it in future Guide: Tips to avoid unexpected charges on your bill
https://payforitsucks.co.uk/
https://psconsumers.org.uk/
You need to contact Tap2Bill. If you phone, call during working hours, or you can email customer.service@tap2bill.com. Give them the number that was charged and they should be able to tell you who was actually responsible.
I doubt that these are the reason for your data issues. Have you checked your APN settings (they tell your phone how to connect to the internet)?
Settings for Android:
https://community.o2.co.uk/t5/Android-Devices-Samsung-HTC-Sony/Connecting-Android-Phone-to-Data-Serv...
And for iPhones:
https://community.o2.co.uk/t5/Apple-iOS-Devices-iPhone-iPad/Connecting-iPhone-to-Data-Services/m-p/5...
Also see if these help:
Guide: How can I sort out my network issues?
Guide: Is the network down for me or everyone?
Please note, this is not customer services and we cannot access your account. Do not publish personal details (email, phone number, bank account).
Link to our guide on how to contact them can be found here
