This means there’s local congestion on the network. Either hang up and try again later, or turn your phone off on again.
If there’s no planned maintenance in the area, please get in touch with one of our technical teams below.
You can also leave feedback on network problems in the app. In return, we’ll give you a 250MB UK data bonus to use for seven days.
From the main menu, choose Network satisfaction then Network Guarantee. Answer three simple questions, hit submit and you’re done.