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Garmin Connect App: "Sync Failed File Transfer Error Not Enough Space"
The Garmin Connect™ app on iOS may display a message "Sync Failed FileTransferError notEnoughSpace". This occurs when the app is trying to send a software update to the watch (pictured below).
I Am Seeing This Error. How Can I Update My Device?
If you are seeing this error, you can use the Garmin Express™ program to download and install the software update on your watch.
For instructions on installing Garmin Express, choose your computer's operating system below:
Current Version of Garmin Express for Windows: 7.25.0 as of March 25, 2025.
NOTE: The images below may include older version numbers and are only provided as examples.
Go to the Garmin Express webpage.
Select Download for Windows (pictured below).
Run the downloaded GarminExpress.exe or GarminExpressInstaller.exe file.
For help on this step, see Opening a Downloaded File on Windows.
Review the terms and conditions.
Select Options to change the install location of Garmin Express.
Select Install.
Once the installation is complete, Select Launch Garmin Express.
Current Version of Garmin Express for Mac: 7.25.0 as of March 25, 2025.
Go to the Garmin Express webpage.
Select Download for Mac (pictured below).
Open the GarminExpress.dmg or GarminExpressInstaller.dmg file.
For help on this step, see Opening a Downloaded File on Mac.
In the new window, double-click on the Install Garmin Express icon.
Select Continue.
Select Continue again.
Select Continue again.
Review the terms and conditions, then Select Agree.
Select Install.
Enter your Mac User Name and Password and click Install Software. See Installation of Garmin Applications on a Mac Prompts for a Password for assistance.
Once the installation is complete, select Close. Your Applications folder will automatically open.
Double-click the Garmin Express icon in the Applications folder.
Once installed, connect your watch to your computer using the USB charging cable and follow the instructions to add your device to Garmin Express. Once added, any available software updates will automatically be installed.