System Image Flashing

System Image Burning

System Introduction

FlyOS-Fast is a lightweight Linux system customized for 3D printing, supporting Fly's entire series of host platforms. Its features include:

• Fast boot speed, kernel optimization ensures Klipper real-time performance
• File system optimization, reducing the risk of failure to start after power loss
• 30-second fast startup of KlipperScreen
• Pre-installed services such as Klipper, RRF, Mainsail, Fluidd, Moonraker, and KlipperScreen
• Support for switching between Klipper and RRF systems
• Support for one-click switching between Mainsail and Fluidd online
• Support for USB printing, power-off resume printing, and serial screen
• Support for automatic firmware burning on boot (fly-c8, fly-geminiv3)
• Can set the default language and printer name for front-end UIs like Fluidd in advance

If you need more OEM customization features (such as boot logo, preset configuration files, hiding Mainsail tabs, etc.), please contact us.

Notes

This system is a lightweight customized system. The built-in components and services such as klipper are not the official version, and users are not allowed to modify or upgrade them.

• The system account for FLYOS-FAST is root, and the password is mellow

Preparation Before System Burning

1. Prepare the required devices

   • If using a TF card to boot the system, the following devices are needed
     • Card reader
     • A TF card with a capacity of 16GB-128GB, with a transfer speed of class10 level or higher.
     • It is recommended to use high brand TF cards such as SanDisk, Samsung, Kioxia, and it is forbidden to use generic TF cards!
     • Windows system computer (Windows 7, Windows 10, Windows 11 can all be used)

2. Download the FLY-H3 system image:

   • The current FAST version is FlyOS-FAST-V1.2.45
   • Please note that you need to download the FLY-H3 image in the FlyOS-FAST-V1.2.45 folder
   • Click the download link below
   • Loading...
     tip

     • System file naming rule: FlyOS-Fast-[chip series]-[version number].img, for example: FlyOS-Fast-H3-v1.0.0.img
     • Windows system downloads the .exe file, which is a 7z self-extracting archive. After downloading, double-click to open and extract to get the .img file (can only be extracted using Windows system)
     • Other systems such as macOS and Linux systems download the .7z file, which is a 7z archive. After downloading, use a tool that supports 7z format to extract and get the .img file
     • Due to the large size of the system file, other compression formats and source image downloads are temporarily not provided
     • This tutorial uses the .exe and GOOGLE drive as examples
   • Access the cloud disk, click FlyOS-FAST-V1.2.45
   
   • Click the image you want to download
   • This tutorial needs to download Fly_FAST-H3.exe
   
   • Click still download
   

3. Extract the system image file to get the .img file.

   • Double-click or right-click to open FlyOS-Fast-H3.exe, wait a few seconds, and a window will pop up (if the system prompts it is not safe, select "More information" -> "Run")
   • You can choose the extraction directory, then click the Extract button, and wait for the extraction to complete.
   
   • After extraction, the file FlyOS-Fast-H3-vx.x.x.img will be generated in the extraction directory. x.x.x is the system version number.

4. Install the device to be burned onto the computer

Burning the System

1. Open Rufus, select the device, the selected device should display a capacity consistent with the inserted burning card.

   

2. Select boot type, this defaults to selecting Image file.

3. Select the image file, click the Select button next to Boot type selection, and select the extracted .img file.

4. After selecting the image file, Boot type selection will change to the file name of the image file.

   

5. Click the Start button. If a window pops up, prompting to clear the disk data, click OK.

   

6. After burning is completed, the computer will emit a sound, and the progress bar will show Ready.

   

7. After burning is completed, do not remove the burning card immediately.

8. Open File Explorer and check if there is a U-disk or removable disk named FlyOS-Conf.

   

9. Open FlyOS-Conf, if there are two files as shown in the picture below, it means the burning is successful.

   

10. Install the system card on the motherboard.

Install System Card

• After flashing the system to the TF card, you need to connect the TF card to the back of the LITE2.1 here; otherwise, the system cannot boot
  

Install Antenna

1. Install the antenna properly

warning

• Please note that the host computer does not support WiFi with Chinese names and does not support dual-band WiFi (2.4G and 5G combined)

• The red arrow points to the WiFi antenna interface
• The WiFi antenna port is ipex1
• Please install the antenna; otherwise, poor signal may prevent connection to the router

tip

• After installing the system card, proceed to the next step: connecting to the host via SSH

2. Power the host computer. At this point, your host computer is ready to boot up!!! Please proceed to the next step: SSH Connect to Host

Modifying Other System Configuration Options

To modify other system configuration options, please refer to: Modifying System Configuration