X5105 Firmware Update v1.0.03 build 055

X5105 Firmware Update v1.0.03 build 055. The upgrade is based on the 050 version. Improved internal switching power supply synchronization system, reducing the switching power supply interference. Improved the side-tone output, the sense of hearing more gentle. Optimized the configuration of the frequency synthesizer.

Before updating the firmware, please read the update tutorial carefully! After operating, your settings will be lost, please refer to the X5105 system configuration table to re-setting all parameters, then save and cycle power off and on again.