O2

Ever since switching to O2 I've found that data coverage in general is poor in multiple locations. In fact pretty much everywhere bar central London. But here's a scenario I'm struggling to comprehend. Met up with a mate a while back & went to check ...

I have two additional SIMOs on multisave discount, with a longer contract than my own "main" number. Given the appalling coverage, broken My O2 app & web site & even more appalling lack of CS, I will not be renewing. Trying to ascertain what happens ...