Cannot get onto my o2 app

[RebeccaB]

Cannot get onto my o2 app it says it can take 48hrs to set up but I've had my new phone from September , I did however have to take out a new contract and change the number to my old number . I did have a lot of issues at the start getting this 

[MI5]

@RebeccaB 

Try online https://mymobile.o2.co.uk/
If using the app, try deleting, rebooting phone and then reinstall the app.
This is a customer to customer community, not O2.
You need to contact O2.
Message them on Social Media. Facebook (https://o2uk.co/O2CFB) , Twitter (https://o2uk.co/O2CTW) or Instagram (https://o2uk.co/O2CIG) or give them a call on 202 or 0344 809 0202 (contract) 4445 or 0344 8090222 (PAYG)
Unlikely that you'd get help in store, but may be worth a last resort try.