Could Not Activate Cellular Data Network iPhone, Verizon

If you’re encountering the “Could Not Activate Cellular Data Network” error on your iPhone (especially if you’re using Verizon), here are some troubleshooting steps you can try:

1. Toggle Cellular Data Off and On:
   • Go to Settings > Cellular.
   • Tap the Cellular Data switch to turn it off.
   • Wait for about 30 seconds.
   • Turn it back on.
2. Enable or Disable LTE:
   • Go to Settings > Mobile Data Options > Enable LTE.
   • Connect your phone to a Wi-Fi network.
   • Let the phone sit for about 30 seconds.
3. Restart Your Phone:
   • If you’re using iOS 11 or later, turn off your device by going to Settings > General > Shut Down.
4. Force Restart Your Phone:
   • For iPhone 8 or later: Quickly press and release the Volume Up button, then quickly press and release the Volume Down button. Finally, press and hold the Side button until you see the Apple logo.
   • For iPhone 7 and 7 Plus: Press and hold both the Volume Down and Sleep/Wake buttons until the Apple logo appears.
   • For earlier iPhone models: Press and hold the Home and Sleep/Wake buttons until the Apple logo appears.
5. Reset APN Network Settings:
   • Go to Settings > General > Reset > Reset Network Settings.
6. Temporarily Disable Any VPN:
   • If you’re using a VPN, try disabling it temporarily and check if the issue persists.
7. Remove Any Profiles (Including APN Profiles):
   • Go to Settings > General > Profiles & Device Management.
   • Remove any profiles related to cellular data settings.
8. Update Carrier Settings:
   • Sometimes updating your carrier settings can resolve connectivity issues. Go to Settings > General > About to check for updates.

Remember to back up your iPhone data before troubleshooting, especially if you plan to erase content and settings.