Press and hold the (or sometimes the PTT + Button 1, depending on the revision) while turning the radio on .
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 is essential.
: This version typically requires software designed for the Retevis RT72 , as the internal hardware is nearly identical . baofeng dm1702 firmware update
The software will display an "Upgrade Success" notification. Turn the radio off and disconnect the cable. Post-Update Steps
Updating the Baofeng DM-1702 firmware can improve performance, add new features, and fix bugs. However, it's essential to follow the correct process, take necessary precautions, and be aware of potential risks. By understanding the benefits and risks, preparing properly, and following the step-by-step instructions, you can successfully update your Baofeng DM-1702 firmware and enjoy improved functionality and performance. Press and hold the (or sometimes the PTT
: You must enter the same special flash mode and use the OpenGD77 CPS's built-in "Firmware Loader" to write the two-part firmware to your radio. As OpenGD77 is an independent project, always download the latest stable firmware from the official OpenGD77 website . This process carries a higher risk of bricking your device than an official update, so it is only recommended for experienced hobbyists.
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. : This version typically requires software designed for
Click "Open" or "Load" to choose the firmware file ( .bin ) you downloaded. Click or "Update" .