Changes made from version 4.00 to 4.20:
http://www8.garmin.com/support/download_details.jsp?id=10012
Added support for Connect IQ SDK 1.4.
Fixed an issue where the activity summary information being displayed to the user was incorrect, immediately after a sync.
Direktlink der rgn file
http://download.garmin.com/software/fenix3HR_420.rgn