My phone 5c just keeps searching for network

Hi elizabethfromgateshead,

Welcome to the Apple Support Communities! I'm sorry to hear that you are having these issues with your iPhone. If you are unable to connect to your local cellular or mobile network and are just seeing Searching or No Service, you may find the troubleshooting steps outlined in the following article helpful:

If you can't connect to a cellular network or cellular data - Apple Support

Regards