How To Fix 4G Not Working on Samsung Galaxy Note 3?

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Muhammad Tayyab


Samsung Galaxy Note 3 has several network connectivity problems being reported by users and 4G connectivity is one of them. If you are unable to get your phone connected to a 4G network, then there could be some issues you need to resolve with the help of some proven fixes.

First of all, you need to check the configuration of the Mobile network on your phone.

Configure 5G Settings on your Phone

Make sure the mobile data is turned ON on your phone. Also confirm, that your mobile network mode is set to “4G LTE”.

check the network configuration
  • Head over to “Settings>Connections”.
  • Next, tap “Mobile Networks” and then tap “Network Mode”.
  • Finally, select the option that includes 5G connectivity with an “auto-connect” feature.

Quick Fixes

  • Reboot your phone.
  • Remove the SIM card from your phone and then re-insert it.
  • check the network coverage in your area.
  • Toggle Airplane Mode ON/OFF.
  • Reset Network Settings
    • Open “Settings>General Management”.
    • Next, tap “Reset” and then tap “Reset network settings”.
    • Finally, continue by pressing the “Reset Settings” button.
  • Update your phone software.
    • Head over to “Settings”.
    • Next, scroll down to the bottom and then tap “Software Update”.
    • Now, follow the on-screen instructions to download and install updates on your phone.

After following the above quick fixes, if you still find yourself stuck being unable to use a 4G network on your phone, then you should try these advanced fixes below.

Clear the SIM Toolkit Cache and Data

You should clear the cache and data of the SIM Toolkit for the particular network carrier you are facing issues with 4G connectivity.

  • Open “Settings”.
  • Tap the “Apps” and then search for “SIM Toolkit”.
  • Tap the “SIM Toolkit” and then tap the “Storage” option.
  • Now, tap “Clear Cache” and then the “Clear Data” option.

Once you are done with it, now reboot your phone. Wait for your phone to boot up and see if it can connect to the 4G network. If you are still facing the issue, then try to clean the system cache using the recovery mode on your phone.

Wipe Cache Partition

The system cache often causes several issues on the phone and the network issue is one of them. There is a high chance you could resolve the 4G network connectivity issue by clearing the system cache.

how to wipe cache partition
  • Power OFF your smartphone.
  • Press and hold the “Power” and “Volume UP” buttons until you boot into recovery mode successfully.
  • Use the Volume buttons to switch between different options and the power button to select the desired option in the recovery mode.
  • Tap the “Wipe Cache Partition” option and continue by pressing the “Yes” to confirm.
  • Now, reboot your phone by selecting the “Reboot the System Now” option.

Perform Factory Data Reset

You should perform the factory data reset operation to restore all the settings to the manufacturer’s default. This can fix software-related issues.

Note: Back up your important data before factory reset to avoid any kind of data loss.

  • Open “Settings->General Management”.
  • Scroll down and tap the “Reset” option.
  • Tap “Factory Data Reset”.
  • Now, tap “Reset”.

When the process finishes, the welcome page will appear on the screen. Now, set up your phone from scratch by following the on-screen instructions.

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