System Introduction

Overview

• FlyOS-Fast is a lightweight Linux system, deeply customized for 3D printing, supporting all Fly series host platforms.
• FlyOS-Fast is lightweight and boots quickly.
• Kernel optimization ensures Klipper's real-time performance.
• File system optimization reduces the risk of power failure causing boot issues.
• Fast booting, Klipperscreen starts in 30 seconds.
• Pre-installed services include 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 flash drive printing.
• Supports power failure recovery printing.
• Supports serial screens.
• Supports automatic firmware flashing at boot (fly-c8, fly-geminiv3).
• Supports pre-setting the default language for Fluidd and other front-end UIs, and the default printer name.
• More OEM customization features: such as boot logo, pre-set configuration files, hiding Mainsail tab pages, etc. please contact us.

System Image Filename Introduction

• System file naming rule: FlyOS-Fast-[chip series]-[version number].img, for example: FlyOS-Fast-H5-v1.0.0.img.
• The source file is in .img format. Only .exe and .7z compressed files are provided in the download link for easier downloading.
• For Windows systems, download the .exe file. This file is a 7z self-extracting archive. After downloading, double-click to extract and get the .img file (can only be extracted on Windows).
• For other systems like MacOS, Linux, download the .7z file. This file is a 7z compressed archive. After downloading, use tools that support the 7z format to extract and get the .img file.
• Due to the large system file size, other compression formats and direct image downloads are not currently provided.

System Selection

• For Fly products using the Allwinner H618 chip, such as fly-C5, choose FlyOS-Fast-H618.exe or FlyOS-Fast-H618.7z.
• For Fly products using the Allwinner H5 chip, such as fly-pi series, fly-c8 series, fly-gemini series, etc., choose FlyOS-Fast-H5.exe or FlyOS-Fast-H5.7z.
• For Fly products using the Allwinner H3 chip, such as fly-pi-lite2 series, fly-miniPad series, etc., choose FlyOS-Fast-H3.exe or FlyOS-Fast-H3.7z.
• The chip models differ, so do the system files. Please choose according to your actual situation.