BTECH GMRS-50PRO
firmware v0.9.2
BTECH · Released Jan 29, 2026 · First seen Sep 6, 2026
Source:
baofengtech.com
v0.9.2 is not the latest firmware for the BTECH GMRS-50PRO: the current version is v0.9.3 (June 1, 2026). Go to v0.9.3
In short — summary by updatemystuff.com
Reverse Frequency and programmable squelch controls added, plus improved keypad lock retention and mute status indicators.
- Reverse Frequency switch added to Radio Settings
- New programmable button actions for Squelch Level +, Squelch Level −, and Display Squelch Level
- Keypad lock state now restored after power-on
Written from BTECH's release notes, which are printed in full below.
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What's in this update
New Radio Settings Update: Added a Reverse Frequency switch in Radio Settings. Programmable Buttons: New assignable actions: Squelch Level +, Squelch Level −, Display Squelch Level, Reverse Frequency Toggle. If the last received channel is not the current channel, a speaker icon will be displayed.
Improvements
- Keypad Lock Behavior: The radio now restores the previous keypad lock state after powering back on. (When the keypad is locked, volume adjustment via the potentiometer is disabled to prevent accidental changes.)
- Mute Status Indicators: The mute icon now distinguishes between different mute conditions (e.g., manual mute, squelch, other system mutes) for clearer status feedback.
- Audio Relay is Added to the on-board radio Menu
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