TL7 Firmware Update Guide (Debug Menu Method)

Modified on Wed, 19 Apr 2023 at 03:23 PM

OneScreen TL7 Firmware Installation Guide (Through Debug Menu)


This guide provides step-by-step instructions for updating the firmware on OneScreen TL7 device via USB drive method.


  1. Ensure that you have downloaded the firmware files. If you haven’t, contact our support team at )
  2. USB drive (Should be a maximum of 32GB)


To install/upgrade the firmware on OneScreen TL7, please follow the steps below:

  1. Connect the USB to your PC. Right-click on the drive name in the Device and Drives section and click on Format. Then apply the settings shown in the picture below and press the Start button to format your USB using FAT-32


  2. Extract (Unzip) the firmware folder. If you don’t get an option to unzip the firmware files in your computer, you can download WinRAR or WinZip software to extract the files

  3. After the extraction process is complete, copy the extracted folder to the USB that you have formatted in the Step 1

  4. Copy the config file (provided by OneScreen Support Representative) to the USB

  5. Make sure that you don’t copy any other files on the USB after it has been formatted other than the files mentioned in Steps 3 and 4

  6. Plug the USB in the USB 2.0 port located at the rear of the Panel (make sure you do not use any other USB ports as this port is specific for firmware installation)


  7. Navigate to Home > Settings > About and tap on Android Version multiple times in quick succession until Android System Window pops up. After that, quickly tap on Kernel Version multiple times to open the Debug Menu of your screen

  8. Press the Upgrade button inside the debug menu to open Upgrade menu of your TL7
  9. Press Upgrade All and then press Confirm

  10. The panel will boot into the upgrade screen


(Note: The firmware update may take up to 10 minutes. The OneScreen will turn on automatically once the firmware update is complete)

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