Software version 21.19 for the Forerunner 165 Series is currently at 100%. You may manually download this software update by following the path below:
- 
Menu > System > Software Update > Check For Updates
 
Forerunner 165 Basic:
Change log:
- Improvements to support Pool Swim workout with pace alerts and critical swim speed.
 - Improvements to the Pool Swim rest screen and alert tones.
 - Adds the Moon Phase glance.
 - Fixed an issue where some types of daily suggested workouts do not show estimated training effect.
 - Fixed an issue where when the timer is set to silent mode, it still makes a sound.
 - Fixed an issue where Android smart notification images sometimes fail to load.
 - Fixed an issue where heart rate randomly spikes after activity is saved.
 - Fixed an issue where Navigation using map only adds turn icon for some sports profiles.
 - Fixed an issue where accent color of "Other" activities would not save.
 - Fixed an issue where custom workouts would not work in some activities.
 - Fixed an issue where adding Heart Rate to glance folder would break when heart rate is disabled.
 - Fixed an issue where sleep would sometimes not be recorded when waking up long after configured wake time.
 - Fixed an issue where device would return to previous page when browsing Weather glance.
 - Fixed an issue where sleep mode would resume after user manually exited sleep mode.
 
Forerunner 165 Music:
Change log:
- Once device Software has been updated, it is recommended users sync their devices using Garmin Express or Wifi to expedite the transfer of files required for the meditation activity.
 - Improvements to support Pool Swim workout with pace alerts and critical swim speed.
 - Improvements to the Pool Swim rest screen and alert tones.
 - Adds the Meditation activity.
 - Adds the Moon Phase glance.
 - Fixed an issue where some types of daily suggested workouts do not show estimated training effect.
 - Fixed an issue where when the timer is set to silent mode, it still makes a sound.
 - Fixed an issue where Android smart notification images sometimes fail to load.
 - Fixed an issue where heart rate randomly spikes after activity is saved.
 - Fixed an issue where Navigation using map only adds turn icon for some sports profiles.
 - Fixed an issue where accent color of "Other" activities would not save.
 - Fixed an issue where custom workouts would not work in some activities.
 - Fixed an issue where moon phase shading was not changing when changing days.
 - Fixed an issue where adding Heart Rate to glance folder would break when heart rate is disabled.
 - Fixed an issue where sleep would sometimes not be recorded when waking up long after configured wake time.
 - Fixed an issue where device would return to previous page when browsing Weather glance.
 - Fixed an issue where sleep mode would resume after user manually exited sleep mode.