BTECH GMRS-50PRO
firmware v0.8.12
BTECH · Released Oct 9, 2025 · First seen Sep 6, 2026
Source:
baofengtech.com
v0.8.12 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
Added NOAA alarm volume control and fixed location sharing, channel selection, audio relay, and GPS time-parsing issues.
- NOAA Alarm Volume option added to Sound Settings
- Location sharing no longer disrupts channel reception
- Send-channel selection errors, audio relay silent transmit, and GPS time-parsing resolved
Written from BTECH's release notes, which are printed in full below.
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What's in this update
New Added NOAA Alarm Volume option in Sound Settings.
Improvements
Volume bar display time shortened to ~1 second.
Fixes
- Location Sharing no longer interrupts network-channel reception; corrected send-channel selection errors.
- Audio Relay: resolved occasional silent transmit caused by audio re-sampling.
- External GPS module: fixed time-parsing failure.
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