on 26-06-2019 22:29
@Eugene1 This ism't customer services.
Please call http://www.o2.co.uk/contactus or pop into your local o2 shop.
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone 8+ (EE)
on 26-06-2019 22:53
You don't need to upgrade. You can simply use the sim in the new phone but your contract will just continue and you will still be paying off the smashed phone until it is paid for.