Phone not working

[Kealey]

My daughters phone (iPhone 12) isn’t let her make or take calls or messages it’s saying she has no data, her data is at 26 left out of 30 as she uses the WiFi at home what do I do? Thanks 

[Bambino]

@Kealey Try contacting O2 via social media. They should be able to help:
Facebook (https://o2uk.co/O2CFB), Twitter (https://o2uk.co/O2CTW), or Instagram (https://o2uk.co/O2CIG)

You could also try Apple: Official Apple Support

[RafaC]

Hey @Kealey O2's aware of the issue and working on applying the fixes.