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Firmware Flashing

Applicable Version

This document applies to devices with firmware versions below v1.2.0-2-gf71af68. If your firmware version is at or above this version, refer to the firmware update document for direct updates via the web tool, without entering DFU mode.

Screen Version Identification​

  • Check whether the back of the screen has the chip shown in the image below.

  • If yes, your screen is the new model and supports self-updating firmware.

  • Comparison of new and old screen models is as follows:

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Check Firmware Version​

Use the web tool to check the current firmware version after connecting the device.

Firmware Download​

Firmware can be obtained via the link below:

Please note

The zip archive must be extracted before use.

  • Alternatively, download the complete repository via git (ensure the host machine has internet access):

  • For general systems

    cd && git clone https://cnb.cool/3dmellow/FLY-Firmware.git

  • For FLY host machine

    git clone https://cnb.cool/3dmellow/FLY-Firmware.git /data/FLY-Firmware
    ln -s /data/FLY-Firmware /root/FLY-Firmware

  • If the firmware package has already been downloaded, it is recommended to update to the latest version before proceeding:

    cd ~/FLY-Firmware && git pull
  • The previous repository is no longer maintained. To delete it, execute: 
    rm -rf ~/FLY_Katapult /root/FLY_Katapult

Enter Flashing Mode (for Flashing BOOT Firmware)​

You can make the screen enter flashing mode by either of the following methods:

  • Method 1:

    1. Connect the screen to a computer using a Type-C cable.
    2. Press and hold the BOOT button on the back of the screen, then briefly press the RST button, and finally release the BOOT button.

  • Method 2:

    1. Press and hold the BOOT button on the back of the screen.
    2. Connect the Type-C cable to the screen and computer, then release the BOOT button.

Flash Full Firmware​

The FLY-HDMI firmware is located in the following path within the compressed package:

FLY-Firmware/Screen/HDMI/mergedBL

For general flashing methods, refer to the following link:

See this link for firmware updates

Note

Do not disconnect the Type-C connection during the flashing process, as this may lead to a failed flashing.

Next Steps​

After the BOOT firmware is flashed successfully, the device supports direct updates of the main firmware via the web tool, without needing to enter DFU mode again.

Refer to the firmware update document to complete the main firmware update.

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