Know the trade-offs
- One volunteer runs the tool and the copy of the old system files.
- The downloads are not signed, so Windows and macOS will warn you.
- On a Mac, the Terminal app needs local network permission first.
Fix guideLegacy comma two
comma two stuck on Wi-Fi setup? Here is the fix
The setup screen loops because it checks a comma server that is gone. A free laptop tool gets past it and installs your software.
Your Wi-Fi is probably fine. The loop happens on good networks too. Do not keep resetting the device or retyping the password.
Pick the closest message
Three different problems
Case 1
It will not join Wi-Fi at all
Restart once while parked and re-enter the password carefully. If another trusted network works, the first network is the problem, not the device.
Case 2
It joins, then says the network has no internet
This is the setup loop. Your Wi-Fi is fine. The device checks a comma server that no longer answers. Use the fix below.
Case 3
Software is installed, but updates fail
comma stopped hosting the old system files. The same tool below can reinstall your software and point updates at a community copy.
The fix
Get past the loop with a laptop
The openpilot hardware user group keeps a small free tool for this. It talks to the device over Wi-Fi and installs the software you choose.
Download the tool
Get the Windows, Mac, or Linux version from the project's releases page. Your computer may warn you because it is not signed.
Open the releases pagePut both on the same Wi-Fi
Join your home Wi-Fi on the comma two and stay on the setup screen. Use the same network on your laptop.
Find the device address
On the device, open More Options, then Advanced, and note the address that starts with 192, 10, or 172.
Run the tool and pick your software
Enter the device address, then choose stock openpilot or a comma two fork from the list. Let it finish.
Wait for the restart
The device installs and restarts on its own. Do not unplug it until you see the normal home screen.
Before changing anything
- Keep the car parked and the device on stable power.
- Photograph the exact message before you start.
- Write down which software you want to install.
- Expect the install to erase what is on the device.
Software choices
What a comma two can still run in 2026
No project keeps the comma two current. These are the two paths the tool can install.
Stock openpilot 0.8.13.1comma's final comma two release from 2022. Stable, but it gets no updates.dragonpilot d2 branchA separate comma two branch, frozen since April 2024. Built on an older openpilot base.
What dragonpilot still offers on comma two More comma two help
Our other comma two guides
dragonpilot was the last community project to keep a comma two branch. These pages cover it and the device itself.
dragonpilot on comma 2: what still worksThe frozen d2 branch, its features, and how to install it today.dragonpilot install guideCurrent dragonpilot for comma 3 and 3X, with the comma two path noted.The fix tool, summarisedOur short guide page for the community tool used above.comma two device pageWhat the hardware is, its final release, and how it compares.
Thinking about a newer device?
comma four and comma 3X have current software, active support, and simple on-device setup. A comma two will keep getting harder to recover.
Compare comma devicesSources and older links
The tool is a friendlier version of Jason Young's 2024 script, which is now archived. comma's official comma two system project is also archived and read-only. The tool points the device at a community copy of those files.
Project status checked September 10, 2026.
Photos: comma.ai. CommaGuide is an independent guide and is not affiliated with comma.ai.
Was this guide helpful?