on 28-08-2023 17:45
on 28-08-2023 18:16
on 28-08-2023 18:16
Check Mobile Data roaming is on
Try another network from the network selection menu
Check Date and Time
Step Down to 4G
How do you mean you changed your tariff to International??
on 28-08-2023 18:56
Some things to try:
Check data roaming is on in phone settings.
Manually search for another network
Turn off 5g
Change your data APN to "mobile.o2.co.uk"
Check with O2 whether you have a roaming bar on your account. Do this via social media
If you message O2 on Facebook ( https://o2uk.co/O2CFB) , Twitter ( https://o2uk.co/O2CTW) or Instagram ( https://o2uk.co/O2CIG) , they should be able to help.