Updating the bootloader is riskier than updating the main firmware. If the bootloader corrupts, the radio cannot enter DFU mode, and you must have an external ST-Link programmer. Stick to updating only the firmware.bin or .sgl file.
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. baofeng dm1702 firmware update
While holding the key, turn the volume knob to power the radio Updating the bootloader is riskier than updating the
The (also known as the DM-X) is a popular, budget-friendly DMR handheld radio, but keeping it running smoothly can be a challenge due to its multiple hardware versions. Firmware updates can resolve bugs like random power-offs, glitchy volume controls, or limited contact storage. Essential Preparation Take your time, read the instructions twice, and
: When connected, Windows may identify the radio as "No Printer Attached" in Device Manager. This is
You cannot use Baofeng CPS anymore. Download and install the OpenGD77 Codeplug Programmer. This software is vastly superior to the stock Baofeng CPS.
To update the Baofeng DM-1702 firmware: