flash.comma.ai
- -This tool allows you to flash AGNOS onto your comma device.
-- AGNOS is the Ubuntu-based operating system for your{" "} - comma 3/3X. -
-- -
Requirements
--
-
- - A web browser which supports WebUSB (such as Google Chrome, Microsoft Edge, Opera), running on Windows, macOS, Linux, or Android. - -
- - A USB-C cable to power your device outside the car. - -
- - Another USB-C cable to connect the device to your computer. - -
USB Driver
-- You need additional driver software for Windows before you connect - your device. -
--
-
- - Download and install Zadig. - -
-
- Under
Device
in the menu bar, selectCreate New Device
. - -
- -
- Fill in three fields. The first field is just a description and
- you can fill in anything. The next two fields are very important.
- Fill them in with
18D1
andD00D
respectively. - Press "Install Driver" and give it a few minutes to install. - -
-
- No additional software is required for macOS or Linux. -
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Fastboot
-Follow these steps to put your device into fastboot mode:
--
-
- Power off the device and wait for the LEDs to switch off. -
- Connect power to the OBD-C port (port 1). -
- Then, quickly connect - the device to your computer using the USB-C port (port 2). -
- After a few seconds, the device should indicate it's in fastboot mode and show its serial number. -
- If your device shows the comma spinner with a loading bar, then it's not in fastboot mode. - Unplug all cables, wait for the device to switch off, and try again. -
-- -
Flashing
-- After your device is in fastboot mode, you can click the button to start flashing. A prompt may appear to - select a device; choose the device labeled "Android". -
-- The process can take 15+ minutes depending on your internet connection and system performance. Do not - unplug the device until all steps are complete. -
-- -
Troubleshooting
-Cannot enter fastboot or device says "Press any key to continue"
-- Try using a different USB cable or USB port. Sometimes USB 2.0 ports work better than USB 3.0 (blue) ports. - If you're using a USB hub, try connecting the device directly to your computer, or alternatively use a - USB hub between your computer and the device. -
-My device's screen is blank
-- The device can still be in fastboot mode and reflashed normally if the screen isn't displaying - anything. A blank screen is usually caused by installing older software that doesn't support newer - displays. If a reflash doesn't fix the blank screen, then the device's display may be damaged. -
-After flashing, device says unable to mount data partition
-- This is expected after the filesystem is erased. Press confirm to finish resetting your device. -
-General Tips
--
-
- Try another computer or OS -
- Try different USB ports on your computer -
- Try different USB-C cables, including the OBD-C cable that came with the device -
Other questions
-- If you need help, join our Discord server and go to - the #hw-three-3x channel. -
-- flash.comma.ai version:
{version}
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