on 30-01-2021 08:48
on 30-01-2021 09:11
It sounds as if you may need a new sim. If you have another phone available, try it in that to confirm if it works or not. If it fails in that you need a new one.
You can get one by calling O2.
Numbers here Guide: Coronavirus Community Help and Support
Advice from an O2 Guru regarding a way to get through:
When you call, you will be asked for the reason you are calling,
Stay silent for 15 seconds and you will be taken to the keypad options.
Press 2 for Everything Else
Press 5 for More Options
Press 7 for Anything Else which will put you though to an advisor.
Press Upgrade, Lost/Stolen or Fraud if you have to.
8am is the best time to call
Veritas Numquam Perit