Application

Syn3 Updater

Syn3 Updater allows you to update your Ford SYNC 3 powered car to versions later than 3.0 even if Ford says no! It also has many other functions including earlier access to new releases before the general public and more.

Download Documentation

Version 3.0.0

Released 13th November 2026

License GPL v3

THIS APPLICATION (SYN3 UPDATER)
IS NOT LICENSED, ENDORSED OR ASSOCIATED WITH FORD MOTOR COMPANY!

Syn3 Updater 3.0 takes your Ford’s SYNC 3 stereo further than Ford will. Choose your region, release and maps, and it downloads, verifies and builds the USB drive for you, ready to plug into the car. Rebuilt from the ground up for Windows, Linux and macOS, on Intel and Apple Silicon.

No more wrongly formatted or partitioned drives, and no guessing which install method to use. Syn3 Updater picks the right one for your car and protects MY20 units from the wrong choice.

Features

Everywhere you work. One app for Windows, Linux and macOS, on x64 and ARM.
Smart install modes. Picks AutoInstall, Reformat or Downgrade for you from a single USB drive, with MY20 protection built in.
Beyond Ford’s limits. Install software newer than your car officially supports.
Your choice of packages. Deselect individual packages, and install With Nav or Without Nav.
Know before you install. See the APPS and MAPS versions for your region, with each map’s ESN status shown.
Fast, verified downloads. Parallel connections, resumable downloads, and file-size and checksum checks on every download and copy.
Always-current tools. The reformat tool and the other files each install needs are fetched automatically and shown in the package list.
Automatic, signed updates. The app checks for new versions and only installs releases that pass signature verification.
Profiles. A separate configuration, with its own Generator Key, for each car.
Utilities. Create and read the official log file, remove Gracenotes, shrink your voice package, downgrade, upgrade to 2.2, run the RW data cleaner and more.
Interrogator log reader. Parse your log files to view your as-built information.
Logs and Diagnostics. Central log management with one-click upload, and a Diagnostics page that checks your system and tells you how to fix what it finds.
News and Changelog built in, so you always see what has changed.
Open source, available on GitHub.

Why upgrade?

Potentially Android Auto navigation on the small screen (IPC).
A much snappier, more responsive interface.
A refreshed look: the newer stock blue theme and a much better media interface.
The newest map data for navigation.
Radio logos and Calm Mode, when you also update your stereo firmware.

Syn3 Updater also writes a log file called log.txt to the root of the USB drive. Use the Upload Log button on the Logs tab to share it with us in one click.