on 13-02-2021 09:32
13-02-2021 09:38 - edited 13-02-2021 09:40
13-02-2021 09:38 - edited 13-02-2021 09:40
To keep your O2 number, you will need to do a sim swap when the new sim arrives.
Guide: Sim Swap: a mini guide 2017 update
Or if you upgraded, you can use your old sim (although that probably wont be 5G.)
Hope that helps and welcome to the forum
Edited to add info re using old sim.
Veritas Numquam Perit
on 13-02-2021 09:38
If you are already with O2 and this is an upgrade, your number is not changed.
If itjust a new SIM, you do a SIM swap
Guide: Sim Swap: a mini guide 2017 update
If moving network to O2, how to here
https://www.o2.co.uk/help/device-and-sim-support/how-to-keep-your-mobile-number