Do not turn power on until instructed! The BaoFeng support homepage is your starting point for help with BaoFeng products, featuring software, manuals, support downloads, tech specs, troubleshooting pages, and tutorials. To perform an update to the Bafang controller firmware you will need a programming cable with a USB connector on one end and a green Higo connector on the other end and a computer. Many have reported the UV-5R will operate outside of these band limit on the 134 to 174 and 400 to 500 MHz bands (no one has reported any success using the UV-5R on the 222 MHz band), so my guess is the above band limits are not 'hard coded' in the DSP chip, but are just guaranteed band limits and in fact some chips.
Better still, the manufacture of the the chip Abov has all the documentations, the compilers and the programmers for this chip. It takes about a minute to complete (VE3PZR: my radio takes 70 seconds to flash) The BaoFeng radio is one of the cheapest two-way radios you can get around you.
The main emphasis lies on providing the easiest possible handling while at the same time supporting a great number of functionalities within the framework of the respective hardware platform used. These usually have completely unrelated firmware versions. Software / Firmware Note: This firmware and software was specifically designed for the DMR-6X2. Baofeng custom firmware EXPERIMENTAL FIRMWARE.
