Hello, If you are seeing No Service or Searching on your iPhone or iPad (Wi-Fi + Cellular), or can't connect to a cellular network or cellular data, follow these steps:
Check your coverage area
Make sure that you're in an area with cellular network coverage. Then follow these steps:
- If you can't connect to a cellular network on your iPhone, make sure that cellular data is on in Settings > Cellular*. On your iPad, go to Settings > Cellular Data.
- If you're traveling internationally, make sure that your device is set up for data roaming. Go to Settings > Cellular > Cellular Data Options > Data Roaming. ON the Data Roaming Switch.
Then; Restart your iPhone or iPad
- Press and hold the Sleep/Wake button until the power off slider appears.
- Drag the slider to turn your device completely off.
-After the device turns off, press and hold the Sleep/Wake button again until you see the Apple logo.
I hope it helps.