Mobile data

[Fatts]

Recently got a replacement sim and calls/texts work fine however my mobile data does not work. I have data and I’ve checked the network settings. Restarted the device yet my mobile data still does not work.

[Cleoriff · Accepted solution]

@FattsWhat sort of phone do you have?

A guide here for both Android and Apple phones

Text ACTIVE to 2020. Save the settings and reboot your phone.

https://community.o2.co.uk/t5/Android/Connecting-Android-Phone-to-Data-Services/m-p/544202#U544202 

https://community.o2.co.uk/t5/Apple/Connecting-iPhone-to-Data-Services/m-p/544210#U544210 

[MI5]

@Fatts 

You need to contact O2 to check your acount settings.
All numbers are in this guide Guide: Coronavirus Community Help and Support 
When you call, you will be asked for the reason you are calling.
Stay silent for 15 seconds and you will be taken to the keypad options.
Press 2 for Everything Else
Press 5 for More Options
Press 7 for Anything Else which will put you though to someone.
You can also try saying "Upgrade" or "Fraud" to be connected to an advisor.
8.00am is the best time to call if you can.

Also check here to see if there are any local issues O2 Service Status

If you have a 5g phone and are not in a 5g area, switch your network settings to 4g or 3g and see if there is any difference.