For current PX-777 owners, the safest approach is not to search for random downloads but to:
Turn off the radio, plug in the 2-pin connector firmly, and then turn the radio back on. puxing px-777 programming software download
PX-777 programming software was never open-source. Puxing originally distributed it as proprietary freeware with the radio purchase, but redistribution rights were never granted. Downloading from third-party archives may violate copyright laws in jurisdictions like the US (DMCA 1201, regarding access controls) or the EU (InfoSoc Directive). While enforcement is practically nonexistent for a discontinued product, ethical hams often prefer alternative solutions: open-source tools like CHIRP (which supports dozens of radios) or writing custom Python scripts using pyserial to reverse-engineer the protocol. CHIRP’s developers have noted that while the PX-777 is not officially supported, a close relative (the Baofeng UV-5R uses a similar instruction set) can sometimes be coerced into working—but this is not reliable. For current PX-777 owners, the safest approach is
Puxing PX-777 is a popular, budget-friendly handheld radio that can be programmed manually or via PC software. While the original manufacturer's software is often provided through official vendors, third-party alternatives are widely considered easier to use and more compatible with modern operating systems. RT Systems, Inc. Software Options PX-777 Radio Programming Software (Windows) - RT Systems Puxing PX-777 is a popular, budget-friendly handheld radio
Ensure your computer recognizes the USB cable before opening the software.