Our health check shows that your connection, speed and router are all working well. If you've still got an issue, our help and support pages might be able to resolve your problem.
Take a look at our top tips for boosting your Wi-Fi speed.
Read this guide if your Internet connection keeps cutting out.
Follow these steps if you've got no broadband connection.
Follow this guide if you can't make or receive calls on your landline.
Here's what to do if you can get online but you can't load websites.
Use this checklist to make sure your equipment is set up correctly.