Xiegu G90 Firmware v1.8 (2025-04-22 Complete)

This is the complete v1.8 with both Main Unit and Display unit firmware files.

New Features & Improvements

1. CI-V command support added for improved compatibility with JTDX/WSJT-X and other digital mode software
   • Added CI-V commands: 0x25, 0x26
   • Refer to: Xiegu Radio CI-V Reference and JTDX/WSJT-X Settings Guide
2. Radio ID query support via CI-V
   • Added CI-V commands: 0x1D, 0x19 (Read Radio ID)
   • Refer to: Xiegu Radio CI-V Reference
3. Fixed occasional FFT display freeze
4. AGC algorithm optimized to reduce background noise and improve listening comfort

See the attached change log file in the zip archive for more information.