on 20-12-2025 18:00
Hi
I have recently upgraded but I can not make or take a single call! There is bars showing as signal but it never works
I can’t even answer a call to o2 to try and get the issue fixed
on 20-12-2025 18:25
Are you using your old sim or have you activated your new sim?
Guide: Sim Swap: a mini guide 2017 update
You can message O2 on Social Media. Facebook or Instagram https://www.o2.co.uk/abouto2/social-media if needed or go in store with photo ID.