05-05-2020 08:43
05-05-2020 08:50
When you swap sims or use a new one, occasionally the text set up is the last to update.
Keep rebooting your phone. Have a look at this guide as well.
Guide: Text Message Tips (not sent or received)
Veritas Numquam Perit
05-05-2020 09:02
05-05-2020 09:05
05-05-2020 09:05
Best of luck @BarneyRubble
If you do need to contact O2 using Skype etc, then all numbers are in this guide.
Guide: Coronavirus Community Help and Support
Veritas Numquam Perit