New firmware V1.04 made the following upgrade for Alternate:
Increases session times before device gets hot.Firmware V1.03
New firmware V1.03 made the following upgrade for Alternate:
Adds a function of allowing the user to change your desired temperature during sessions and optimizes power consumption during sleep mode.
To avoid the risk of corrupting the firmware, do not interrupt the update. For example, do not turn off your Vivant Device.
Read the new firmware release notes to learn about new features.