BTECH GMRS-PRO firmware

Firmware history

All versions below were published by BTECH on baofengtech.com. Third-party and modified firmware is never listed.

1. Version 0.9.3 Latest Released Jun 1, 2026 First seen Sep 6, 2026

   Adds preset DTMF commands and enhanced channel displays, plus fixes for transmission and receive return issues. — summary by updatemystuff.com

   Source: baofengtech.com

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   New Preset DTMF Commands: Added support for preset DTMF commands for quicker tone dialing.

   Main Channel Display:​ The main channel can now show both the channel name and frequency at the same time.

   Network Receive Display: When receiving through the network, the radio now displays the bound network channel name.

   Bandwidth Control: Added a bandwidth modification option under Radio Settings.

   Narrowband Indicator: Channels using narrowband now display an “N” indicator in the status bar.

   Launch Timeout Warning: Added a prompt tone 5 seconds before launch timeout.

   Auto-Shutdown: Added an auto-shutdown option under General Settings.

   Microphone Gain Range: Increased the available adjustment range for microphone gain.

   GMT+14 Time Zone: Added time zone support for GMT+14.

   DTMF Modulation Alignment: Unified DTMF transmission modulation between the mobile app and radio.

   Message Thread Display: Added support for displaying multiple messages from the same teammate.

   This also allows multiple APRS messages from the same source, such as WXBOT, to be viewed.

   Fixes

   KISS Transmission Interruption: Fixed an issue where KISS transmi​ssion could be interrupted.

   Single-Channel Receive Return: Fixed an issue where, after transmitting on a specific channel while listening to only one channel, the receiving frequency might not return to the current channel. iOS Region Name Cleanup: Fixed an issue on iOS where renaming a region with a shorter name could leave trailing characters from the old name.

   Release notes & download
2. Version 0.9.2 Released Jan 29, 2026 First seen Sep 6, 2026

   Added Reverse Frequency switch and new programmable button actions, improved battery display and mute indicators. — summary by updatemystuff.com

   Source: baofengtech.com

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   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 chann​el 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 dis​tinguishes between different mute conditions (e.g., manual mute, squelch, other system mutes) for clearer status feedback.
   • Battery Indicator Optimization: Battery percentage display has been smoothed to reduce rapid or drastic fluctuations over short periods. Volume bar display time shortened to ~1 second.
   Release notes & download
3. Version 0.8.12 Released Oct 9, 2025 First seen Sep 6, 2026

   Adds NOAA alarm volume control; fixes location sharing and silent transmit issues. — summary by updatemystuff.com

   Source: baofengtech.com

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   New Added NOAA Alarm Volume option in S​ound Settings.

   Improvements

   Volume bar display time shortened to ~1 second.

   Fixes

   • Location Sharing no longer interrupts network-channel reception; corrected send-chan​nel selection errors.
   • Audio Relay: resolved occasional silent transmit caused by audio re-sampling.
   • External GPS module: fixed time-parsing failure.
   Release notes & download
4. Version 0.8.4 Released Apr 30, 2025 First seen Sep 6, 2026

   Adds Busy Channel Lockout feature, optimizes display colors, fixes NOAA alert and VOX issues. — summary by updatemystuff.com

   Source: baofengtech.com

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   New Added support for Bu​sy Channel Lockout (BCL) to prevent message transmission on busy channels.

   Improvements

   Display color optimization for better visibility.

   Fixes

   • Fixed an issue on VOX.
   • Resolved an issue in NOAA alert mode where the device prematurely switched to the next scan channel without sufficient waiting time after detecting a signal but failing to receive the 1050Hz tone, leading to squelch (SQ) detection anomalies.
   • Resolved audio relay issue

   Other

   • Bluetooth headset PTT ​release sound will now stop playing after notification sounds are disabled.
   • Channel editor now supports modifying the Busy Channel Lockout setting.
   Release notes & download
5. Version 0.8.3 Released Mar 29, 2025 First seen Sep 6, 2026

   Adds Busy Channel Lockout feature and improves display colors; fixes NOAA alert mode issues. — summary by updatemystuff.com

   Source: baofengtech.com

   Show release notes Hide release notes

   New Added support for Busy Channel Lockout (BCL) to prevent message transmission on busy channels.

   Improvements

   Display c​olor optimization for better visibility.

   Fixes

   • Fixed an issue on VOX.
   • Resolved an issue in NOAA alert mode where the device prematurely switched to the next scan channel without sufficient waiting time after detecting a signal but failing to re​ceive the 1050Hz tone, leading to squelch (SQ) detection anomalies.

   Other

   • Bluetooth headset PTT release sound will now stop playing after notification sounds are disabled.
   • Channel editor now supports modifying the Busy Channel Lockout setting.
   Release notes & download
6. Version 0.8.0 Released Jan 22, 2025 First seen Sep 6, 2026

   Adds VOX for Bluetooth headsets and scan pause function, with improved Bluetooth stability. — summary by updatemystuff.com

   Source: baofengtech.com

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   New Added VOX support for Bluetooth headsets, enabling hands-free transmission with any compatible device. Adde​d a channel save function to store the current channel during scanning.

   Improvements

   • Improved stability with third-party Bluetooth accessories.
   • VOX Settings Added NOAA Enhancements

   Other

   • Large Firmware Update, Radio Factory Reset Reccomended After Update Bluetooth and VOX
   • Allow Bluetooth headsets to be used but still route the audi​o through the radio directly and not the Bluetooth device (selectable option in sound settings) Onboard Menu Updates
   • Audio Relay settings are now accessible directly from the radio menu.
   • Introduced a scan pause function: the device pauses scanning when it detects a signal, allowing users to manually resume scanning.
   Release notes & download
7. Version 0.7.2 Released May 9, 2024 First seen Sep 6, 2026

   Added side key Dual/Single Watch toggle and improved receiving signal sensitivity. — summary by updatemystuff.com

   Source: baofengtech.com

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   New New Side Key Option: Added a Dual/Single Watch toggle feature programmable to add via the side key for user convenience.

   Improvements

   Major Update to Receiving Sensitivity: Improved the sensitivity for receiving signals, enhancing the overall radio performance.

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