Firmware Update Notes   V1.01.07.53
1、Side Key Function: Added a "Digital Monitor" option to the side key settings.  
2、Audio Fix: Fixed an issue where FM radio and DMR audio would mix together.
3、Quick TX Contact: You can now select a contact in the Digital Contacts list and use the menu option "Set as TxContact" to directly set them as the current channel's transmit contact.
4、Backlight Fix: Fixed a bug where the screen backlight would not turn off automatically after turning on the FM radio.
5、Call Log Enhancement: Call logs will now display callsigns that match the transmitting/receiving contacts.
6、Channel Name Display: Standby channel names now support up to 16 characters (with scrolling text).
7、APRS Update: Changed the APRS Position Destination to APALH1.
8、Fixed the issues with DTMF tones, improve the frequency errors below to 10Hz.
9、System Stability: Fixed an issue where the H1 radio would reboot during Tier 3 signaling. 
10、DTMF Optimization: Reduced DTMF modulation deviation from approximately 20Hz to under 10Hz for improved frequency accuracy.