This is an open-source project based on g90updatefw, which aims to write firmware files to the Xiegu radio. It can be used to update either the host or display unit. Simply select a firmware file and connect to the serial port of the Xiegu radio, then click "Start"!

Supports Windows/Linux/Mac platforms, single file, no installation required. Verified to run on Windows 10 and later systems. The Windows platform program is included here.
Link: pan.baidu.com/s/1BBobgojJ0oLL_yubcUgH1A
Extraction code: G90S