Baofeng Dm1702 Firmware Update — Official

Take your time, read the instructions twice, and you will be rewarded with a more stable, more capable, and more enjoyable DMR experience. Your DM1702 has hidden potential; a firmware update is the key to unlocking it. Disclaimer: Flashing firmware carries inherent risks. The author is not responsible for bricked radios. Always verify hardware compatibility and download firmware from official sources.

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. baofeng dm1702 firmware update

Click "Open File" and select your downloaded .bin firmware file. Click "Upgrade." The progress bar will move from 0% to 100%. Do not touch the cable or the radio. This takes 2-3 minutes. Take your time, read the instructions twice, and

Go to the official OpenGD77 site and download the latest OpenGD77_Loader.exe . The author is not responsible for bricked radios

Use the official Baofeng CPS to read your radio and save your codeplug (channels, contacts). OpenGD77 uses a different codeplug format, but you can export your channels as CSV.

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.

You cannot use Baofeng CPS anymore. Download and install the OpenGD77 Codeplug Programmer. This software is vastly superior to the stock Baofeng CPS.