Updating the Baofeng DM-1702 (also known as the DM-X or DM-1702B) is a delicate process due to variations in hardware and the lack of a single "official" global update portal. Because this radio is essentially a rebadged Retevis RT72
Generally uses "V" series firmware (e.g., v02.02.014) and requires the standard Baofeng MD CPS (Customer Programming Software). 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. Updating the Baofeng DM-1702 (also known as the
