Fenix 5x+ Sw Update 4.20

Software version 4.20 is now available. This software version is being rolled out and can be downloaded through Garmin Connect Mobile or Garmin Express when available.


08/15: Phased rollout: 20%

Changes made from version 3.10 to 4.20:
Added support for Connect IQ SDK v3.0.
Added abnormal heart rate alerts. Enable these in Heart Rate widget > Heart Rate options > Abnormal HR alert. An abnormal heart rate will be detected if your heart rate exceeds the entered threshold for an extended period of time while sedentary.
Made improvements to pool swim distance accuracy.
Improved Bluetooth connection reliability when using an iOS device.
Fixed a critical issue where music would intermittently stop playing over headphones.
Fixed an issue where Total Ascent and Descent could be too low for certain activities.


Der Flashlight bug via hotkeys ist immer noch vorhanden (in bisher 3 Updates).