No signal usually ok

[Natalieporter19]

No signal usually ok

[jonsie]

Check these links to see if anything helps

Guide: How can I sort out my network issues? 

Guide: Is the network down for me or everyone? 

Guide: How to find help & contact O2 

[Oxonian]

This is also worth a look @Natalieporter19 :-

My Network App - Find Out More About Your Network Coverage | Apps | O2

https://www.o2.co.uk/apps/my-network

Understand your network coverage

With the My Network app you can keep an eye on your coverage, wherever you are. Download the app and you’ll be able to:

- check the status of our network in your area – you don’t even need to enter your postcode

- test your network speeds

- report any issues with your service.

It’s simple to use and means that you can check the network without having to visit the main site or even enter a postcode.