15-11-2020 08:43
15-11-2020 08:53
You can change it yourself
Settings >Phone >My number.
Edit, save and reboot phone.
Veritas Numquam Perit
15-11-2020 08:57
15-11-2020 08:57
You'll need to call customer service to reset your MyO2 and change those account details Guide: Coronavirus Community Help and Support
15-11-2020 09:04
15-11-2020 09:07
15-11-2020 09:07
They are open but it's not easy to get through due to lockdown.
Keep trying and if asked for the reason you are calling, say fraud or upgrade which should get you put through.