Updates & Downloads
Forerunner 245 software version 3.77 Beta
as of December 4, 2019
View installation instructions
Notes:
- For any issues that you encounter please fill out the form included in the download and attach it to an email to [email protected]. Please note that you may not get a response to the email unless we need more information on the issue you report.
- Although this software is believed to be reliable, it has not yet been released for production and should be used at your own risk.
Change History
Changes made from version 3.70 to 3.77:
- Add Garmin Swim 2 Features: advanced swim workouts, auto rest
- Added all-day respiration, respiration widget, and breathwork activity
- Improved treadmill calibration
- Added Pilates
- Various fixes and improvements
Changes made from version 3.46 to 3.52:
- Improvements to sensor connection
- Improvements to phone connectivity
- Fix backlight gesture bug introduced in 3.46 beta
- Various other bug fixes and improvements
Changes made from version 3.10 to 3.46:
- Bluetooth software update to address battery life issues that could occur on some devices
- Add PacePro feature
- Improve ANT+ and BLE sensor management
- Improvements/fixes for Connect IQ
- Various other fixes and improvements
Installation Instructions
- Connect your Forerunner 245 to your computer using the USB cable.
- Download and unzip Forerunner245_377Beta.zip. Place the GUPDATE.GCD file in the \GARMIN folder of your device's internal storage drive.
- In Forerunner245_377Beta, go to the RemoteSW folder. Place the GUP3204.GCD and the GUP3078.GCD file in the \GARMIN\REMOTESW folder of your device's internal storage drive.
- Disconnect your device from the computer, approve the update on the watch, and wait for the update to finish.
- If you would like to revert to the last public release software, place the GUPDATE-370.GCD file in the \GARMIN folder. Rename GUPDATE-370.GCD to GUPDATE.GCD before disconnecting your device. To revert the RemoteSW, place the GUP3204-430.GCD and GUP3078-260.GCD files from RemoteSW\Downgrades in the \GARMIN\REMOTESW folder. NOTE: If you revert to an older version of software, all of your settings will be reset to defaults.