BTECH GMRS-50PRO firmware v0.9.3

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 su​pport 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 transmission 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.