@VickyM1969 have you checked the network status here ?
Also general network help here Guide: How can I sort out my network issues?
*The Game Is On*
If you download the My O2 app you will be able to report it. The problem we have now is tier restrictions and lockdown. If the mast is on land, O2 need to gain permission to access the land.
Track usage, upgrade and get support with the My O2 app