on 01-08-2020 11:37
Live chat is open from 8-8, although staff are very limited
More info here https://www.o2.co.uk/help
They can usually be found in the shop area and may pop up if you browse the shop.
You may have better luck contacting O2 and speaking to someone.
All numbers are in this guide Guide: Coronavirus Community Help and Support
on 01-08-2020 12:04
on 01-08-2020 17:48
There's no need to top up every month but you do need to use your phone at least once every 6 months.
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone 8+ (EE)