Adding another account to the app

[NW]

I have another o2 pay monthly that doesn’t show up on the app. How do I add this please.

[Cleoriff]

@NW 

If you recently bought your 2nd device then you need to give the app time to catch up.

However, you could always call O2 using any number in this guide Guide: Coronavirus Community Help and Support 

[MI5]

@NW 

Use the bring in other products option in your MyO2 http://www.o2.co.uk/myo2