on 07-11-2023 19:53
I changed my tariff in the morning. I can’t use data. In addition , when I make a call , I hear a notification about “…international call” I need help asap
on 07-11-2023 19:57
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)