How to Update Firmware on S4 and S4+

Upgrading the firmware of your S4 device ensures you have the latest features, improvements, and security updates. Follow these steps to successfully upgrade your S4 and S4+ firmware to the latest version.

Step 1: Enter Settings

  1. From the Home screen, click on the side arrow to open up the menu.
  2. Select the Settings application.

Step 2: Access System Settings

  1. Within the Settings menu, click the 5th icon down labeled System.
  2. In the System menu, select System Upgrade.

Step 3: Check for Updates

  1. Within System Upgrade, you should see a prompt to download version 202405291157 "Dingo Release 65 2.75 RC3.1".
  2. If you do not see this prompt, select Check for upgrade.

Step 4: Ensure Sufficient Storage and Power

  • Ensure your device has at least 2GB of free storage space.
  • Make sure the device remains powered during the update process to avoid any interruptions.

Step 5: Download and Install the Update

  • Once the update is available, you will see a progress bar indicating that the update has begun downloading.

The system will automatically install the update once the download is complete. Your device may restart several times during the process. Ensure the device remains powered until the update process is fully completed.

Congratulations! Your S4 firmware is now up to date with the latest version.


Step 6: Update the CommBox Store and Ensure that Silent App Install is On

  • Once the update is complete, navigate to the CommBox Store. You will be prompted for a store update; select Update now.
  • After the store update, navigate to Settings on the top right-hand side of your screen.
  • Ensure that Silent App Install is turned on.

Note: If you cannot see the upgrade package, please refer to our network document below and ensure that all ports required for "OTA Updates" (starting from page 71) are open.

CommBox Privacy, Security and Networking Whitepaper