How to sync your watch

Today you sync from a Mac or Linux computer. A plug-in box (Raspberry Pi) that syncs by itself is planned.

From a computer (macOS, Linux)

1. Once: install uv:

   curl -LsSf https://astral.sh/uv/install.sh | sh

2. Once, on the watch: Settings → System → USB Mode → MTP.
3. First time only: sign in and click Add a watch (it then waits 10 minutes for your sync).
4. Plug the watch in at the watch face (no buttons held) and run, on the same Wi-Fi as your browser:

   uvx unstrap

   The first sync takes about a minute; later ones about 10 seconds. Unplug when it says Done.

If something goes wrong

• Run uvx unstrap doctor: it checks every step and says what to fix.
• Close Garmin Express and Android File Transfer: only one program can talk to the watch at a time.
• Linux: allow your user to open the watch with this udev rule, then replug:

  echo 'SUBSYSTEM=="usb", ATTR{idVendor}=="091e", MODE="0660", TAG+="uaccess"' | sudo tee /etc/udev/rules.d/69-unstrap-garmin.rules
  sudo udevadm control --reload

• "Different network" on the Add a watch page: open that page on the same Wi-Fi as the computer (turn off VPN or private relay), then sync again.

Coming later

• A plug-in box: connect the watch, wait for the light, unplug.
• Windows.