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How to fix U.S. Cellular error code 408?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

The us cellular error code 408 is a problem that can occur when trying to connect to the internet. This is usually caused by a problem with the settings on your phone or by a problem with the network itself. There are a few things that you can try to fix this problem. First, you can try restarting your phone. If that does not work, you can try resetting your phone to its factory settings. If neither of these things work, you can try contacting your carrier for help.

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1. Restart your device

  1. Press and hold the Power button for a few seconds until the device turns off.
  2. Wait until the bootloader screen appears.
  3. Press and hold the Volume Up button and the Power button at the same time until the device turns on.
  4. Use the Volume Down button to scroll to “reboot system now” and press the Power button to select it.
  5. Use the Volume Up and Down buttons to scroll to “yes” and press the Power button to select it.
  6. Use the Volume Down button to scroll to “bootloader” and press the Power button to select it.
  7. Use the Volume Up and Down buttons to scroll to “recovery” and press the Power button to select it.
  8. Use the Volume Down button to scroll to “flash recovery” and press the Power button to select it.
  9. Use the Volume Up and Down buttons to scroll to “recovery image” and press the Power button to select it.
  10. Press the Volume Up button to select the “recovery image” and press the Power button to start flashing it.
  11. After the flashing process is finished, press the Power button to restart the device.

2. Check for a software update

To check for a software update to fix the cellular error code 408, go to the Apple App Store on your iPhone or iPad, and search for "Apple Support" or "Apple Support Communities." From there, select the "Software Update" tab, and click on the "Update" button. If there is a new update available, it will be downloaded and installed.

3. Reset your device to factory settings

  1. From the Home screen, tap Settings.
  2. Tap General.
  3. Tap Reset.
  4. Tap Reset All Settings.
  5. Tap Reset Phone.
  6. Enter your passcode.
  7. Tap Erase Everything.
  8. Tap Erase All Content and Settings.
  9. Tap Erase All Data.
  10. Tap Finish.

4. Contact your carrier

The first step is to identify the error code. This can be done by consulting your device’s user guide or by using the online support tool. Once you have the error code, you will need to contact your carrier. This can be done by calling them directly or by using the online support tool. Your carrier will need to provide you with the necessary information in order to fix the issue. This may include the steps necessary to reset your device or the code needed to access the support portal.