XieGu G90, G90S, and G90N series firmware updates have been released, including head unit, body unit, and the latest version V1.81. Users of this model radio can update to the latest version to enjoy a better user experience.
Aircraft head file:
G90_DispUnit_Fw_V1.81.xgf
Head component revision record:
1. Fixed a bug where a small black box appeared in the top-right corner of the TX ERROR prompt page;
2、Fixed a bug that caused the automatic tuning to freeze in SLPT mode.
Firmware files for the device body:
G90_MainUnit_FW_V1.81.xgf (G90, G90S)
G90N_MainUnit_Fw_V1.81(G90N)
Firmware revision record:
1. Fix the bug that causes NFM receivers to operate silently.
2. Adjusted the display method for ALC values.
Range: 0-100
Meaning: Indicates the signal strength from the microphone/LINE IN, with higher values indicating stronger signals. When performing data communication, adjust the LINE IN gain or PC volume to achieve the desired ALC value.<=50 to achieve good linearity.
Firmware update complete:

Firmware download address:
https://www.cqxiegu.com/Customer/FileDownloadVerifyPass?fileid=166171&type = img