@FDUP
The 4g warning is usually a temp mast issue and rebooting your phone will fix it.
Using your number on another device is due to a paired watch or tablet etc.
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
