Connect your FA4 or its MicroSD card to your PC and place the firmware file in the root directory (the main folder, not inside any subfolders).
: Be cautious of version 9.2 updates meant for rebranded models like "LIMETECC." Installing these on a standard FAudio FA4 can result in an inverted display and flipped button controls. faudio fa4 firmware install
Before initiating the firmware installation, the following requirements must be met to prevent bricking the device. Connect your FA4 or its MicroSD card to