Xiegu G90
firmware v1.81
Xiegu · Released Aug 25, 2025 · First seen Sep 6, 2026
Source:
xiegu.eu
v1.81 is the latest firmware for the Xiegu G90, released August 25, 2025.
In short — summary by updatemystuff.com
Fixed NFM reception and antenna tuning; adjusted ALC display.
- Fixed NFM receive audio
- Fixed antenna tuning stuck in SLPT mode
- Adjusted ALC display to 0-100 range
Written from Xiegu's release notes, which are printed in full below.
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What's in this update
This is the v1.81 Firmware for Xiegu G90 with both Main Unit and Display unit firmware files. Fixes & Improvements
Head Unit Changes
Fixed a bug where a small black box appeared in the upper-right corner of the TX ERROR prompt page.
Fixed a bug where automatic antenna tuning would get stuck in SLPT mode.
Main Unit Changes: Fixed a bug where NFM had no receive (RX) audio.
Adjusted the display method of the ALC value: – Range: 0-100 – Meaning: Indicates MIC or LINE IN audio level.
A higher value represents a stronger input signal.
When operating in DIGI mode, adjust the LINE IN gain or PC volume to ensure the ALC value remains ≤ 50 for optimal linearity.
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