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, reduces 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
• Supports switching between Klipper and RRF systems
• Supports online one-click switching between Mainsail and Fluidd
• Supports USB printing, power-off resume printing, and serial screen
• Supports automatic firmware burning on boot (fly-c8, fly-geminiv3)
• Can pre-set default language and printer name for Fluidd and other front-end UIs

If you need more OEM customization features (such as boot logo, pre-set configuration files, hiding Mainsail tab pages, 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 are not supported for user modification or upgrade.

• 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 start 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 well-known brands such as SanDisk, Samsung, and Kioxia TF cards. Do not use counterfeit 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-V1.2.43
   • Please note that you need to download the FLY-H3 image in the FlyOS-FAST-V1.2.43 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 .exe file, this file is a 7z self-extracting compressed package, after downloading, double-click to open and extract to get the .img file (only Windows system can extract)
     • Other systems such as MacOS and Linux system download .7z file, this file is a 7z compressed package, after downloading, use a tool that supports 7z format to extract to 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 .exe and GOOGLE drive as examples
   • Access the cloud disk, click FlyOS-FAST-V1.2.43
   
   • Click the image you need 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, after a few seconds, a window will pop up (if the system prompts it is not safe, select "More Info" -> "Run")
   • You can choose the extraction directory, then click the Extract button, and wait for the extraction to complete.
   
   • After extraction, a FlyOS-Fast-H3-vx.x.x.img file will be generated in the extracted 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 the Boot Type, which defaults to Image File.

3. Select the image file, click the Select button on the right of Boot Type, and select the extracted .img file.

4. After selecting the image file, Boot Type will change to the filename 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 complete, 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盘 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 was successful.

   

10. Install the system card on the motherboard.

Install the System Card

• After flashing the system to the TF card, connect the TF card to the back of LITE2.1, otherwise the system will not start

Install Antenna

1. Install the antenna

warning

• Please note that the host computer does not support Chinese names for WIFI, and does not support 2.4G and 5G dual-band integration WiFi

• The place indicated by the red arrow is the WIFI antenna interface
• The WIFI antenna port is ipex1
• Please install the antenna, otherwise it may cause poor signal and prevent connection to the router

tip

• After installing the system card, you can proceed to the next step, connect to the host computer via SSH

2. Power on the host computer.
   At this point, your host computer can be started!!!
   Please proceed to the next step:SSH Connect to Host Computer

Other System Configuration Options

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