Poor service in North Oxfordshire

I have been experiencing long periods of no 4g bandwidth recently. This lasts a few hours at a time on multiple devices and around the local area. I have full bars of signal on my devices, but there's no data coming in. My only guess is that the local masts don't have enough bandwidth to deal with the usage? Has anyone else experienced this?

thatdtteacher we have a network status checker on the website, can you check there to see if there are currently any issues in the area you're having issues with.

Martin thank you, but impossible to do when I had no coverage!