This program will enable fastboot on DJI Air Unit (Lite), DJI FPV Goggles V1 and DJI FPV Goggles V2. This means you can recover or forcefully downgrade your devices firmware ignoring antirollback.
- Windows 64bit
- Linux x64, armhf, aarch64
Sorry OS X users, you will need to find a friend with a supported PC. If someone has any ideas on how to make the recovery USB device that shows up for 5 seconds during DJI device power up successfully enumerate on OS X in libusb (or at all) we're all ears.
For first time V2 Goggles users on Windows it's reccomended to use the following superpack:
This will downgrade your goggles to a rootable version, root them using margerine and finally upgrade them to the latest included firmware version for compatability with the DJI FPV, Avata and O3 Air Unit. If you only fly Air Units or Vistas and don't care about latest compatability you may also use the V01.00.0606 package below to downgrade and then continue rooting and installing wtfos at https://fpv.wtf/.
Note for existing WTFOS users: There is no harm in using this to overwrite WTFOS with new firmware.
Follow the included README.txt
For all other purposes, please find the appropriate package below and follow the included README.txt:
- Goggles V1
- Goggles V2
- Air Unit Lite (Caddx Vista / Runcam Wasp) for using with FPV Goggles V1/V2
- Air Unit Lite (Caddx Vista) for using with with FPV Goggles V1/V2
- Air Unit Lite (Caddx Vista / Runcam Wasp) for using with Goggles 2/Integra
- Air Unit for using with Goggles V1/V2
- Air Unit for using with Goggles 2/Integra
If flashing your device with butter never gets past "[ ] Waiting for DJI Recovery device to enumerate.." here's what you can do:
- Make sure you've installed the proper drivers using driver_installer.exe
- Try another USB cable
- Try another USB port (2.0 if you have one)
- Try restarting your PC
- Try another PC
Usually some combination of cables and USB ports will work. If not, find a friend with a PC willing to help out. Raspberry PIs are also known to work.
Flashing with butter completes sucsesfully (you see individual partitions such as system, system2, vendor, vendor_2 being flashed with the script) but Assistant still shows me the old version number.
This is normal, the FW version is stored separately in the data partition in flash and doesn't always get wiped during a restore. Just proceed to rooting.
Windows users need to install drivers first.
To boot your device for fastboot flashing launch the butter binary and power on your device.
butter-x86_64-w64-mingw32.exe [device]
Where device is one of:
- wm150
- lt150
- gl150
- gl170
If no argument is supplied you can select the device interactively.
Then use fastboot to flash your devices partitions. Note that you will need raw partition images. Methods for using DDD firmware archives will be released at a later date. See Usage for pre-converted archives.
For most users, it's reccomended to run the packager via docker.
Given:
- firmware .bin files obtained from DDD in the folder
./firmwares - an empty output folder for packages at
./packages
on Linux we need to run:
docker run -v "$(pwd)"/firmwares:/app/firmwares -v "$(pwd)"/packages:/app/packages fpvwtf/butter-packager
on Windows with Powershell we need to run:
docker run -v ${PWD}\firmwares:/app/firmwares -v ${PWD}\packages:/app/packages fpvwtf/butter-packager
Note that ./ becomes "$(pwd)" on Linux or ${PWD} in PowerShell on Windows because docker needs non-relative paths for mounts.
Clone this repository and put your firmware .bin files obtained from DDD into packager/firmwares/. You'll have to figure out any dependency issues as they come up, or see the included Dockerfile for reference.
Then run:
cd packager
make
You should find the output packages in packager/packages/
Firmwares can be extracted in parralel, but note the separate invocation for the packages target. The Makefile has some issues.
cd packager
make -j32 firmwares
make packages
make superpack
- Add support for DDD tar archives
If you'd like, you can support the effort on Open Collective.
