When you have no signal, you can use Wifi to call and message instead. How do I get a network connection when I don't have any signal? If you need more help with solving signal issues, visit the O2 Community where our Gurus will be able to offer more advice. If you think there might be an issue with your device or sim: Instructions on how to take these steps can be found using our device-specific trouble-shooter here. If there’s no known issue, try manually resetting your device by:
Use the O2 network status checker to see if there’s a known network connection problem in your area, or to report an unknown issue to us. From here, you’ll be able to subscribe to updates using Keep Me Posted. What should I do if I’m having signal issues?
