on 14-08-2020 18:37
on 14-08-2020 18:40
on 14-08-2020 19:35
on 14-08-2020 19:35
It's nothing to do with being due an update.
Numbers to call O2 here Guide: Coronavirus Community Help and Support
on 14-08-2020 19:41
on 14-08-2020 19:41
Try cleaning the sim card
Failing that you may have to do a factory reset if the update has files conflicting with the previous software version
on 14-08-2020 20:24
on 15-08-2020 09:22
on 15-08-2020 09:22
Sounds like it may be a good time to upgrade then after all?