on 29-09-2018 16:18
on 29-09-2018 16:22
on 29-09-2018 16:26
on 29-09-2018 16:26
I'd also add that O2 only suggest good indoor/outdoor for 2g only, so set your phone to 2g so it doesn't try to get 3g or 4g and you should see an improvement.
on 29-09-2018 17:27
on 29-09-2018 17:27