Updates & Downloads

Forerunner 245M software version 2.66 Beta

as of May 29, 2019

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.

Ensure temporary files are deleted from the temp folder
Privacy setting added for smart notifications
Enable phone position injection to improve GPS fix times after moving long distances
After Sunset added for backlight gesture option
Added option to disable/enable lap key for activities
Added contextual menu accessible from activity paused screen
Various other improvements

Connect your Forerunner 245 Music to your computer using the USB cable.
Download and unzip Forerunner245M_266Beta.zip. Place the GUPDATE.GCD file in the \GARMIN folder of your device's internal storage drive.
In Forerunner245M_266Beta, go to the RemoteSW folder. Place the GUP3205.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-260.GCD file in the \GARMIN folder. Rename GUPDATE-260.GCD to GUPDATE.GCD before disconnecting your device. To revert the RemoteSW, place the RemoteSW\Downgrades\GUP3205_350.GCD in the \GARMIN\REMOTESW folder. NOTE: If you revert to an older version of software, all of your settings will be reset to defaults.