Updates & Downloads

Forerunner 245M software version 5.09 Beta

as of September 23, 2020

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.

Added support for the Track Run activity, which allows you to record outdoor track data, including lap splits and distance in meters, on a standard shape 400m track.
Added support for Improved Recovery Time, which takes your stress, sleep, relaxation, and physical activity into consideration.
Improved optical heart rate performance.
Added a Save Location option to the Navigation menu.
Updated the look of the Alarm screen.
Updated the main workout data screen to indicate High, Low, or In Range for the current target.
Various other improvements and bug fixes.

Added support for displaying courses to viewers of the user's LiveTrack sessions. Various other LiveTrack improvements
Added in-place editing of data fields
Added additional options to Live Event Sharing. Trigger added for Every Mile.
Numerous improvements to music experience, usability, and WiFi
Improved Incoming Call handling
Fixed problem with device spinning/freezing on activity save due to unintentional file build-up. Note: device will need to sync to Garmin Connect after software update to resolve this issue.
Updated numerous widgets to improve usability and look
Fixed inability of device to record longest swim PR
Moved Recovery HR to option on save/discard screen
Updated post-activity summary pages
Improvements/fixes for on-device weather. Fix instances of missing data.
Fixed HRV stress page layout
Fixed a few issues with Virtual Running and workouts
Various other improvements and bug fixes

Improvements to GPS
Improvements to music playback/sync/providers
Fixed training modes (workouts, intervals, set a target, etc.) in Virtual Running to allow connection to phone app
Improved filtering of activities for Race an Activity
Several improvements to Breathwork
Several Wi-Fi related improvements
Various other fixes and improvements

Add new Virtual Run activity profile. This enables broadcast of speed and heart rate information to virtual running applications such as Zwift.
Add Widget Glances, a new way to view widget information. The option to enable is found in the Widgets menu.
Add Low Heart Rate to the Abnormal Heart Rate Alert feature.
Various improvements for battery performance.
Fix an issue that was causing loss of treadmill calibration data. For best results, perform an outdoor run before your first treadmill activity.
Miscellaneous bug fixes and improvements.

Bluetooth software update to address battery life issues that could occur on some devices
Add PacePro feature
Improve ANT+ and BLE sensor management
Improvements to headphone pairing and media player
Improvements/fixes for Connect IQ
Various other fixes and improvements

Connect your Forerunner 245 Music to your computer using the USB cable.
Download and unzip Forerunner245M_509Beta.zip. Place the GUPDATE.GCD file in the \GARMIN folder of your device's internal storage drive.
From the RemoteSW folder, copy the GUP3079.GCD file and the 006B310708.GCD file into the \GARMIN\REMOTESW folder on your device.
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-500.GCD file in the \GARMIN folder and rename GUPDATE-500.GCD to GUPDATE.GCD. Place the GUP3079-504.GCD file from RemoteSW\Downgrades into the \GARMIN\REMOTESW folder on your device and rename the file to GUP3079.GCD. Place the 006B310708-440.GCD file from RemoteSW\Downgrades into the \GARMIN\REMOTESW folder and rename the file to 006B310708.GCD. Disconnect the device to install. NOTE: If you revert to an older version of software, all of your settings will be reset to defaults.