Check the coverage in your area
You can check your local network status for any planned maintenance or unexpected issues. If there are no known issues, try updating your network connection by restarting your phone
Check the settings in your device
Check your device isn’t set to a slower network band or mode. See our device guides for detailed instructions.
Sometimes, connecting to another network and then switching back to Vodafone can fix the issue. You can get device specific instructions in our guides Select your device then choose Calls and contacts, followed by Network and Choose network in the menu
recently my cell phone doesn´t have singal, sometimes when i´m on my home it doesn´t works