Who this is for
First-time sunnypilot users and anyone switching from another fork.
comma fourcomma 3Xcomma three
sunnypilotInstall softwareEasy
Install sunnypilot with a URL
Reset the device, pick Custom Software and enter the install link from the recommended branches page.
You need
- A comma four, 3X or three on Wi-Fi
- The install link for your device
- A few minutes for the download
In plain words
Why this guide matters
The URL method is how nearly everyone puts sunnypilot on a comma four, 3X or three. You reset the device, choose Custom Software and type the install link for your recommended branch. This page also shows how to switch branches later without a reset.
The short version
What the full guide walks you through
Uninstall or factory reset the current software.
Choose Custom Software when the device restarts.
Type the install link for your recommended branch.
Follow the on-screen steps until it reboots.
If sunnypilot is already installed, switch branches from Settings then Software.
Before you start
- A reset wipes recorded drives and settings on the device.
The full written guide belongs to sunnypilot. Checked on September 10, 2026. Their last update was March 13, 2026.
Quick answers
Questions people ask
Which link do I type?
Take it from the recommended branches page; comma four uses install.sunnypilot.ai/release-mici and comma 3X uses release.sunnypilot.ai.
Does a reset delete my drives?
Yes; a factory reset wipes recorded drives and settings on the device. Upload anything you want to keep first.
Can I change branch without reinstalling?
Yes; with sunnypilot installed, go to Settings then Software, check for branches and pick the target branch.
Related
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All community guidesNot sure this is your path?
Check your exact car first, then choose software and hardware.
Photos: comma.ai. Guide content belongs to sunnypilot. CommaGuide is an independent guide and is not affiliated with comma.ai or sunnypilot.
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