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GMRS-PRO Firmware Changelog
This page lists official GMRS-PRO radio firmware releases in reverse chronological order.
Update tip: After flashing, if the screen does not power back on, power off → hold OK (top-left green key) → power on to initialize the new firmware.
Best practice: After major updates, back up your channels, then perform a Factory Reset and re-sync using the BTECH GMRS Programmer app.
V0.9.2 — January 29, 2026
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.
- 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.
V0.8.12 — October 9, 2025
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.
V0.8.4 — April 30, 2025
New
- Added support for Busy 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.
V0.8.3 — March 29, 2025
New
- Added support for Busy 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.
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.
V0.8.0 — January 22, 2025
New
- Added VOX support for Bluetooth headsets, enabling hands-free transmission with any compatible device.
- Added 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 audio 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.
V0.7.2 — May 09, 2024
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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