Updates & Downloads

GPS Chipset Type S1 (3506) software version 2.60

as of November 18, 2019

Serial Port

Download (781 KB)

View download instructions and system requirements

USB Card Programmer

Download (780 KB)

View download instructions and system requirements

Notes:

• WARNING: If this software is uploaded to a device other than that for which it is designed, you will not be able to operate that device.
• If attempts to upload software fail, you may need to return the device to Garmin® for service.

Change History

Changes made from version 2.50 to 2.60:

• Improved time reporting.

Changes made from version 2.30 to 2.50:

• Improves GNSS performance for open water swim activities.
• Improves GPS + GALILEO navigation performance.
• Improves GNSS performance for cycling activities.
• Other bug fixes and improvements.