Unlike the DM-1701, the DM-1702 is not compatible with the popular OpenGD77 custom firmware. The Update Process
Before we touch a single USB cable, we must understand fear. The DM-1702 has no failsafe dual-boot partition. When you initiate a firmware update, you are performing open-heart surgery on the radio’s STM32 processor. If the power blinks, if the USB cable sneezes, or if you look at it wrong, you don't get an error message. You get a brick. A $70 paperweight that smells faintly of melted plastic and regret.
Most users recommend using CPS v1.00.78 as the most stable final version . baofeng dm1702 firmware update
Even with careful preparation, things can go wrong. Here is how to fix them:
: When connected, the radio may appear in Windows Device Manager as " No Printer Attached ." This is normal for this specific chipset. Backup First Unlike the DM-1701, the DM-1702 is not compatible
The firmware tool cannot locate the radio. Check your Windows Device Manager to ensure the COM port number corresponds to your programming cable and that the drivers are up to date.
If you prefer using or looking into custom third-party firmware options Any specific bugs you are trying to resolve When you initiate a firmware update, you are
This usually points to a bad USB driver or a faulty programming cable. Try using a USB 2.0 port instead of a USB 3.0 port, as older programming chips struggle with newer USB protocols.
The radio must be booted into a specialized state to accept new firmware. Turn off the radio. Connect the programming cable to the radio and the PC.
All rights reserved. Powered by
AdultEmpireCash.com
Copyright © 2026 Ravana LLC