Firmware Update | Baofeng Dm1702

(Same as above: PTT + Monitor button while powering on).

Connect your programming cable to the PC (do not connect to the radio yet). Install the drivers for the cable. For FTDI cables, use the latest Virtual COM Port drivers from FTDIchip.com.

Run the loader. It will detect your radio in DFU mode. Select the OpenGD77 firmware file (for the DM1702, not the GD-77). Click "Write to Flash." The loader will first erase the stock firmware, then write the new one. baofeng dm1702 firmware update

Go to the official OpenGD77 site and download the latest OpenGD77_Loader.exe .

Turn off the DM1702. Connect the programming cable to the radio’s side port (the same port used for programming channels). Insert the USB end into your PC. (Same as above: PTT + Monitor button while powering on)

Open the "Baofeng Firmware Upgrade Tool." Select the correct COM port (check Windows Device Manager under "Ports").

The Baofeng DM1702 is a popular choice for amateur radio operators who want a dual-band, dual-mode (Analog and DMR) handheld transceiver without breaking the bank. However, like many Chinese radios, the stock firmware shipped from the factory is often a "minimum viable product." To unlock the true potential of your DM1702—or simply to fix persistent bugs—performing a Baofeng DM1702 firmware update is essential. For FTDI cables, use the latest Virtual COM

This is the critical step. Turn on the radio while holding the PTT (Push-to-Talk) button AND the Monitor button (the top button on the left side, just above PTT). Hold them for 3 seconds. The screen will remain blank, and the LED may flash. Your PC should make a "device connected" sound.