Updates & Downloads

Forerunner 45 software version 3.10

as of October 8, 2019

Download (3.19 MB)

Download (3.19 MB)

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.

Improved wrist heart rate performance.
Fixed a crash that could occur when using the relaxation timer.
Fixed an issue that causing lap distances displayed in the summary page after saving an activity to be incorrect.
Fixed an issue that could cause the GPS software version to appear as â??0.00â?? in the About pages.
General stability and performance improvements.

Fixed an issue that could result in a Server Error when attempting to edit Connect IQ watch face settings in the Connect IQ app.
Fixed a rare issue that could cause the device to appear as if it could not be charged or powered on.

Added the ability to configure Start of Week. Go to System > Format > Start of Week to select among Saturday, Sunday, and Monday.
Moved Pace/Speed Preference settings to the new Format menu.
Fixed a crash that could occur when viewing Connect IQ in the Watch Face selection loop.
Fixed an issue causing some pace alerts to not be displayed on the device when adding them on Garmin Connect.
General performance and stability improvements.

Enabled phone position injection to improve GPS fix times after moving long distances.
Improved battery life when using analog watch faces.
Fixed an issue that could prevent Metric units from being applied when setting up the device through Garmin Connect Mobile.
Fixed an issue that could cause pace alert values to be inaccurate during workout steps with a pace target.
Fixed an issue that could end an activity in progress when canceling assistance after an incident is detected.
Fixed a possible shutdown that could occur when multiple workouts are scheduled for the same day.
Fixed an issue preventing smart notification alerts from being shown when set to Phone and Texts Only.
Fixed an issue preventing tones from being played for run/walk alerts.
Fixed an issue preventing some pace audio prompts from being played.
Fixed a rare issue that could prevent smart notifications from being displayed after an iOS device reboot.
General stability improvements.

Added Live Event Sharing. This allows you to send message to friends and family during an event, providing real-time updates. Note: This feature is available only if your device is connected to an Androidâ?¢ smartphone.
Fixed an issue preventing Croatian (Hrvatski) from being selected as the System language.
Fixed an issue that could cause crashes during workouts.
Fixed an issue that could cause an incorrect time to be shown on analog faces while in 24-hour mode.
Fixed an issue that could cause smart notifications to appear with Do Not Disturb enabled.
Fixed an issue that could cause weekly miles to be calculated incorrectly.
Fixed an issue causing some emergency contact information to not be displayed in Safety > Emergency Contacts.
Fixed an issue that could cause workouts to enable GPS when done with activity profiles that have GPS turned off (for example, Treadmill).
General performance and stability improvements.