While not a hardware mod, one exclusive firmware branch repurposes the headphone jack's digital signal path. By toggling a hidden menu (Encoder press + Hold for 10 seconds), the audio out becomes a .
: Merges all SW bands into a single continuous range from 1710 to 30,000 KHz.
Ensure you have the CH340 or CP210x drivers installed so your PC recognizes the radio's USB port.
Are you looking to upgrade your ATS20 device with the latest and most advanced features? Look no further! Our exclusive firmware for ATS20 is here to take your experience to the next level.
: Incorrect flashing or using the wrong version (e.g., confusing standard ATS-20 with ATS Mini OSPI/QSPI files) can brick the device What is the procedure for upgrading the ATS-20+ firmware?