EFIX FC2 - Upgrading the Operation System

EFIX FC2 USER GUIDE | 2022-02
4.6 Upgrading the Operation System
Enter the
[Settings] , find [System] and tap [About phone] , check core version of
data controller firstly.
Then tap [ Wireless upgrade] , then click [Check for updates] to start.
The controller will restart automatically after upgrading, return to the mobile
status interface to see the core version and check if the upgrade is successful.