All WalkSnail Avatar & Ascent Firmware Releases

Here you can find all the latest and historical firmware releases for your Walksnail products.

39.44.5

Avatar8 December 2025
Official
Stable

What's new?

  • Bug Fix
    Fixed the issue of color screen distortion on some cameras

Buy Us a Coffee

This site is independently run and maintained by D3VL.
If you found it useful please consider supporting us!

39.44.4

Avatar22 September 2025
Official
Stable

What's new?

  • Other
    New Avatar GT comes with version 39.44.2 or later due to core component upgrades
  • New Feature
    Support for Head Tracking → Gimbal → Head Tracking Control Channel and Shortcut Key Settings on Goggles X and Goggles L
  • Bug Fix
    Fixed OSD flickering when signal strength is low
  • Improvement
    Improved connection stability by optimizing Avatar Repeater compatibility
  • Improvement
    Improved wording in some menu options
  • Bug Fix
    General optimizations and fixes for known issues

39.44.3

Avatar2 August 2025
Beta
Official
Unknown

⚠️ DO NOT USE THIS RELEASE ⚠️ This release is kept here for archival purposes, this version has been recalled by Caddx due to issues with intermittent DVR recording and binding problems.

What's new?

  • New Feature
    Added support for the Avatar HD Pro V2 camera
  • New Feature
    Added gimbal lock function
  • Bug Fix
    Fixed an error where device version information appeared in English within the Chinese interface

38.43.13

Avatar26 January 2025
Official
Stable

This update adds support for a new batch of Goggle X that have a different type of DDR memory, downgrading any Goggles X manufactured after January 2025 to a firmware lower than this will result in bricked goggles.

What's new?

  • New Feature
    Support for new batch of Goggles X DDR memory

38.43.12

Avatar31 December 2024
Beta
Official

What's new?

  • Other
    All changes from 38.43.11
  • Bug Fix
    Fixed abnormal power issue in 38.43.11 after VTX power cycle
  • Bug Fix
    Fixed excessive power consumption on the GT 2W VTX in 38.43.11

38.43.11

Avatar24 December 2024
Beta
Official

What's new?

  • New Feature
    Support for INAV 8.0 head tracking
  • New Feature
    Added support for new Avatar Repeater
  • New Feature
    INAV 8.0 OSD & color OSD Support
  • Bug Fix
    Fixed sharing mode bug from 38.43.4
  • Bug Fix
    When standby mode is disabled, the reconnection handshake signal is more powerful

38.43.8

Avatar7 October 2024
Official
Stable

What's new?

  • Improvement
    "VRX REC Bitrate" changed to "REC & WIFI BitRate"
  • Improvement
    Changed the default brightness value for Goggles L to "5"
  • Improvement
    Added VTX only upgrade mechanism for Moonlight
  • New Feature
    Moonlight now records .OSD files
  • New Feature
    Toggle WiFi using "Avatar_cfg_wifi_on.txt" and "Avatar_cfg_wifi_off.txt" files
  • New Feature
    Moonlight camera connected to other VTX models now include gyro files
  • New Feature
    Added ratio function in gimbal and PPM modes, this requires upgrading the gimble and head tracking modules.
  • Bug Fix
    Switching to racing mode adds a prompts "Moonlight camera is unavailable"
  • Bug Fix
    Fixed the bug with the Goggles L LED option
  • Bug Fix
    Head tracking gimbal (PTZ) mode confusion

38.43.4

Avatar19 July 2024
Official
Stable

What's new?

  • New Feature
    Support for New Goggles Light
  • New Feature
    Support for New Avatar 2W VTX
  • New Feature
    Support for Goggles Light Head Tracking
  • New Feature
    Support for Goggles X beta app

37.42.7

Avatar22 March 2024
Beta
Official

What's new?

  • Bug Fix
    CVBS input mode with weak signal.
  • New Feature
    Add brightness adjustment function in CVBS mode
  • New Feature
    Add contrast adjustment function in CVBS mode

37.42.5

Avatar22 March 2024
Official
Stable

What's new?

  • Bug Fix
    Fix the function of not deleting the upgrade package after upgrading the Sky terminal.
  • Bug Fix
    Repair the problem of menu misalignment in sharing mode.
  • New Feature
    Add anti-flicker function.
  • New Feature
    Add real-time parameter information of Cam in "Debug Mode"
  • Improvement
    Kernel temperature alarm at 85°, stop recording at 95°.
  • Improvement
    Change the original ground menu zoom function to "Debug Mode".

37.42.4

Avatar7 February 2024
Beta
Official

What's new?

  • New Feature
    Debug display content
  • Improvement
    Optimise the shooting effect under Moonlight cam auto mode.
  • Bug Fix
    Fix the problem that the gyroscope direction will not rotate with the screen.
  • New Feature
    Fix the problem of exposure change in manual mode.
  • Improvement
    Optimise the noise reduction effect
  • New Feature
    Add separate upgrade mode for Moonlight video boards.

Buy Us a Coffee

This site is independently run and maintained by D3VL.
If you found it useful please consider supporting us!

37.42.3

Avatar7 February 2024
Official
Stable

To upgrade the Moonlight video board, create an empty text file "independ_upgrade.txt" on the SD card, and the Moonlight video board will upgrade automatically after booting.

What's new?

  • Bug Fix
    Fixed some potential bugs.
  • New Feature
    ISO Mod and 2D DNR options.
  • Improvement
    Changing the operating logic of exposure in manual mode.
  • New Feature
    Add separate upgrade mode for Moonlight video boards.

37.42.2

Avatar4 January 2024
Beta
Official
Unknown

What's new?

  • Improvement
    Reduce Goggles X power consumption and heat generation
  • Bug Fix
    Repair ranging failure in 50mbps mode

36.42.4-no-kernel

Avatar13 December 2023
Beta
Official

This is the same as 36.42.4 but does not include the system kernel update. The kernel update adds exFAT support, allowing for DVR recordings larger than 4gb without file splitting.

What's new?

  • Other
    Please see 36.42.4 release notes.

36.42.4

Avatar13 December 2023
Beta
Official

IMPORTANT NOTE: This firmware version updates the system kernel. As this firmware version updates the system kernel, DO NOT disconnect power while updating! Failure to do so will result in hardware bricking! Please see 36.42.4-no-kernel for a fw that does not upgrade the system kernel.

What's new?

  • Other
    kernel upgrade adds exFAT support, allows for >4gb recording without splitting
  • New Feature
    Support Avatar V2 Dual antenna VTX unit
  • New Feature
    Support Moonlight 4K camera. (to be released soon)
  • New Feature
    Added real time clock (RTC) calibration and charging function.
  • New Feature
    Goggles X wallpaper is now changeable
  • New Feature
    Added upgrade progress bar
  • Bug Fix
    MACOS DVR Support
  • Bug Fix
    Goggles X Stuck pixels during boot
  • Bug Fix
    Goggles X Black screen during boot
  • Bug Fix
    Goggles X persist selected display mode
  • Bug Fix
    Goggles X voltage display
  • Improvement
    Increase Goggles X oled protection temperature
  • Bug Fix
    OSD flickering caused by VTX recording
  • Improvement
    VTX resource utilization
  • Improvement
    Multi-page OSD now supported during DVR playback on the ground unit
  • Bug Fix
    Mosaic corruption on some 1S V3 VTX during flight
  • Bug Fix
    Intermittent/occasional mosaic in VTX DVR recording
  • Improvement
    DVR files being segmented several times due to low signal disconnection
  • Improvement
    Better compatibility with some brands of U3 SD cards

36.42.2

Avatar29 November 2023
Alpha
Official
Unknown

⚠️ DO NOT FLY ⚠️ (or do, at your own risk) This firmware has known bugs, please only use it for bench testing. It's reported that if there's an issue when flashing this FW, you can brick your device do to an Alpha file system format change. Proceed with caution.

What's new?

  • Bug Fix
    RTC battery charging
  • Other
    Other improvements & changes to be confirmed

34.40.15

Avatar24 August 2023
Beta
Official
Stable

Big thanks to Shannon Baker, Steve Evans and other testers for their help with this release.

What's new?

  • New Feature
    Race Mode - 540p High FPS, Stabilised latency & Analog channels available
  • Improvement
    Improved camera low light noise reduction (3D DNR option)
  • Bug Fix
    Change the orientation of the IMU in gyroflow
  • Bug Fix
    Fixed HD nano KIT V3 displaying the wrong voltage
  • Bug Fix
    Multi-page (INAV, Betaflight) custom font support for live view
  • Improvement
    Limit of 3 custom fonts increased to 16.
  • New Feature
    OSD custom font files now go on the SD card within the 'userfont' directory.
  • New Feature
    Custom OSD positioning now centred

33.39.10

Avatar5 May 2023
Official
Stable

What's new?

  • New Feature
    Sharing mode
  • New Feature
    High Bitrate mode
  • Improvement
    Hide OSD Icons
  • Improvement
    Updated INAV built in OSD font to support INAV 6

32.37.10

Avatar21 March 2023
Official
Stable

What's new?

  • New Feature
    Avatar V2 VTX support
  • New Feature
    V2 & Avatar Pro Camera support
  • New Feature
    Added Gyroflow
  • New Feature
    Added 4:3 Full
  • Bug Fix
    "Fixed other known issues"

31.36.8

Avatar23 December 2022
Beta
Official

What's new?

  • Improvement
    Optimized Image Quality
  • Bug Fix
    Fixed Low Bitrate issues in 720p100fps mode
  • New Feature
    added clean HDMI output

29.33.16

Avatar21 December 2022
Official
Stable

What's new?

  • New Feature
    Added OSD Playback
  • Improvement
    Camera settings save to VTX
  • Improvement
    Optimized RF Low level performance

Buy Us a Coffee

This site is independently run and maintained by D3VL.
If you found it useful please consider supporting us!

29.33.12

Avatar1 December 2022
Beta
Official

What's new?

  • New Feature
    Added OSD Playback
  • Improvement
    Camera settings save to VTX
  • Improvement
    Optimized RF Low level performance

28.32.10

Avatar20 October 2022
Official
Stable

What's new?

  • Improvement
    Optimized RF performance
  • Improvement
    Image quality
  • New Feature
    coloured INAV OSD
  • New Feature
    "Smoothing"
  • New Feature
    Bitrate display on low signal
  • Bug Fix
    "Misc bug fixes"

28.32.9

Avatar12 October 2022
Official
Unknown

What's new?

  • Improvement
    Improved HDR
  • Bug Fix
    Possibly fixed Black Screen issue
  • New Feature
    INAV Color OSD
  • Other
    "Adapt to 1s vtx"

26.31.7

Avatar20 September 2022
Official
Stable

As far as we know, the SKY FW provided here only works on the 1s VTX, it was released along with it and is called "MiniSky", after this WalkSnail moved to a shared FW file for all VTX's

What's new?

  • Other
    No release notes available.

27.32.10

Avatar9 September 2022
Official
Stable

What's new?

  • New Feature
    Inav support
  • New Feature
    Kiss Ultra and Fettec OSD support
  • New Feature
    Low power functionality
  • Improvement
    Image transmission optimizations
  • Bug Fix
    "Misc bug Fixes"

27.32.9

Avatar6 September 2022
Alpha
Official

This firmware is from a private source, no release notes.

What's new?

  • Other
    No release notes available.

26.30.6

Avatar23 August 2022
Official
Stable

What's new?

  • New Feature
    4:3 mode
  • Improvement
    Improved night vision
  • Improvement
    Optimized Image quality & Penetration
  • Bug Fix
    DVR Playback Fixes
  • Bug Fix
    OSD Fixed
  • Bug Fix
    "Misc bug Fixes"

25.29.4

Avatar11 August 2022
Alpha
Official

This firmware is from a private source, no release notes.

What's new?

  • Other
    No release notes available.

24.26.4

Avatar28 July 2022
Alpha
Official

This firmware is from a private source, no release notes.

What's new?

  • Other
    No release notes available.

23.23.4

Avatar18 July 2022
Official
Stable

What's new?

  • New Feature
    50 Mbps mode
  • Improvement
    image and performance optimization
  • Bug Fix
    fixed other known issues

Buy Us a Coffee

This site is independently run and maintained by D3VL.
If you found it useful please consider supporting us!

22.22.6

Avatar12 July 2022
Alpha
Official

This firmware is from a private source, no release notes.

What's new?

  • Other
    No release notes available.

21.22.5

Avatar5 July 2022
Official
Stable

What's new?

  • Improvement
    Improved Clarity

21.22.4

Avatar30 June 2022
Official
Stable

First Public Firmware Release, no notes available

What's new?

  • Other
    First Public FW Release

20.22.4

Avatar29 June 2022
Alpha
Official
Unknown

Pre Release FW, found on Facebook

What's new?

  • Other
    No release notes available.