on 12-10-2020 16:48
You have two choices.
You can call O2 to pay it off, numbers here Guide: Coronavirus Community Help and Support
Or just request your PAC Guide: How to get your PAC 2019 Update and give this to your new network.
Once they process the changeover, your O2 contract will be cancelled and a final bill, including your device plan payment, will be generated.
Leave your direct debit in place and the amount you owe will be collected automatically.
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone 8+ (EE)