Flashing System Image

System Introduction

FlyOS-Fast is a lightweight Linux system deeply customized for 3D printing, supporting all FLY series host platforms. Its features include:

• Fast boot speed, kernel optimization ensures Klipper's real-time performance
• File system optimization reduces the risk of power failure causing boot failure
• KlipperScreen can start within 30 seconds
• Pre-installed services including Klipper, RRF, Mainsail, Fluidd, Moonraker, KlipperScreen, etc.
• Supports switching between Klipper and RRF systems
• Supports one-click online switching between Mainsail and Fluidd
• Supports USB printing, power failure recovery printing, and serial screen
• Supports OTA, local or online system upgrade
• Allows setting default language and printer name for front-end UIs like Fluidd in advance

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

Note

This system is a lightweight customized system, the built-in components and services such as klipper are not official original versions and do not support user modifications or upgrades.

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

Preparations Before System Flashing

1. Prepare required devices

Prepare the following devices if using a TF card to boot the system

• Card reader
• One TF card with capacity between 16GB-128GB, transfer speed Class10 or higher
• It is recommended to use TF cards from well-known brands such as SanDisk, Samsung, Kioxia. Do NOT use unbranded TF cards!
• A Windows system computer (Windows 7, 10, or 11 are all acceptable)

Prepare the following devices if using M2WE to boot the system

• Please note that the Lite series and MINI-PAD series do not support M2WE
• M2WE (FLY proprietary device)
• M2SD (FLY flashing device)
• A Windows system computer (Windows 7, 10, or 11 are all acceptable)
• Installation diagram
• M2WE printing file download, using this printed part can prevent poor contact
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2. Download the FLY-H618 system image:

   • The current FAST version is FlyOS-FAST-V1.2.48
   • Please download the FLY-H618 image inside the FlyOS-FAST-V1.2.48 folder
   • Click this button to automatically jump to the system download page
   • Click Download File
   
   • After clicking Download File, a Select Download File interface will appear
   • Then select H618 under Chip Type
   
   • Choose to download either EXE or 7Z based on your needs; there is no difference between them!!
   • This tutorial uses EXE as an example
   
   • Wait for the download to complete

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

   • Double-click or right-click to open FlyOS-Fast-H618-V1.2.48.img.7z, a window will pop up after a few seconds (if the system prompts it's unsafe, please choose "More info" -> "Run")
   • Choose the extraction directory, then click the Extract button and wait for the extraction to complete.
   
   • After extraction, a file named FlyOS-Fast-H618-V1.2.48.img will be generated in the extraction directory. V1.2.48 is the system version number.

4. Install the device to be flashed on the computer

Flashing the System

1. Open Rufus, select the device, the displayed capacity of the selected device should match the capacity of the inserted flash card.

   

2. Boot selection type, this should default to Image file.

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

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

   

5. Click the Start button. If a window pops up prompting that the disk data needs to be cleared, click OK.

   

6. Once the flashing is complete, the computer will emit a prompt sound, and the progress bar will display Ready.

   

7. Do not rush to remove the flash card after flashing completes.

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

   

9. Open FlyOS-Conf, if there are two files shown in the figure below, it means the flashing was successful.

   

10. Install the system card onto the motherboard.

Installing the System Card

Diagram of Installing M2WE on C8P

Diagram of Installing TF Card on C8P

Installing the Antenna

1. Install the antenna for the M2WE or 2.4G WiFi module.

warning

• The FLY host computer requires the M2WE or 2.4G WIFI module; otherwise, WiFi cannot be used.
• Please note that the host computer does not support WiFi with Chinese names, nor does it support dual-band (2.4G and 5G) combined WiFi.

• The red arrow indicates the WiFi antenna interface.
• The WiFi antenna port is ipex1.
• Please install the antenna on the M2WE; otherwise, poor signal may prevent connection to the router.

tip

• After the system card is installed, proceed to the next step and connect 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