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Firmware Download

Serial Firmware Download​

  1. Click the download link below to obtain the firmware:

    • You can obtain the firmware via the following link:
    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    • The previous repository is no longer maintained.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
    • The firmware is located at
    FLY-Firmware/Screen/Wiscreen/Wiscreen-7/UART

  2. Download interface reference:

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WiFi Firmware Download​

  1. Click the download link below to obtain the firmware:

    • You can obtain the firmware via the following link:
    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    • The previous repository is no longer maintained.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
    • The firmware is located at
    FLY-Firmware/Screen/Wiscreen/Wiscreen-7/WIFI

  2. Download interface reference:

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Firmware Update Steps​

Step 1: Prepare the Firmware File​

  1. Rename the downloaded firmware file to:

    update.img

  2. Important Notice:

    • If using a TF card/USB drive, ensure the storage device:
      • Has only one partition
      • Is formatted to FAT32 file system

Step 2: Transfer the Firmware File​

  1. Copy the renamed update.img file to the root directory of the TF card or USB drive
  2. Insert the storage device into the screen (supports hot-plugging, can be inserted while the screen is on)

Step 3: Perform the Upgrade​

  1. Select the corresponding option on the screen interface
  2. Click the "Upgrade" button to start the upgrade
  3. Wait for the upgrade to complete; the screen will automatically restart
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