This software update can be downloaded by using Garmin Express. Please note that once a software update is released it can take up to 24 hours before Garmin Express provides this update to all users. This update can also be downloaded through the Garmin Connect Mobile app.
Changes made from version 4.20 to 4.30:
Added support for Connect IQ 1.2.6.
Added support for searching for sensors manually.
Improved the battery performance when used at sub-freezing temperatures.