@EB75
Try manually selecting a different network.
You can use T-Mobile or AT&T.
Also, you can download Google maps over wifi and use them on phone offline.
https://support.google.com/maps/answer/6291838?hl=en-GB&co=GENIE.Platform%3DAndroid
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.
