on 14-12-2023 11:39
on 14-12-2023 11:41
These are some tips to try :
Reboot phone.
Manually search for a different network
If using an iPhone, change data apn to mobile.o2.co.uk
Call customer service to check for any roaming bars
Or if you message O2 using the social media links below, they should be able to help you with this