Baofeng Dm1702 Firmware Update !!install!! -
There are two main paths you can take for firmware updates.
; you may need to scroll down past the manuals on what appears to be a blank white background. Required Cable:
The screen will remain , but the radio is now in DFU (Firmware Update) Mode .
Stock firmware is usable but clunky. The main reasons people update: baofeng dm1702 firmware update
If you use the wrong tools, your radio may refuse to connect, fail to update, or fail to turn on altogether. To determine which version you have, navigate through your radio's menu to the or Version Information screen. Find the firmware version number and make a note of it.
The tool will say "Success." Power cycle the radio (turn off, remove the cable, turn back on). Check the firmware version in the menu: Menu -> Radio Info -> Firmware Version .
Check Windows Device Manager. Ensure your USB cable is assigned to a COM port between 1 and 15. Update or roll back your USB-to-Serial drivers if a yellow exclamation mark is visible. The Radio Won't Turn On (Bricked Status) There are two main paths you can take for firmware updates
This is normal, as Windows might misidentify the USB driver; the update tool will still recognize the radio.
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.
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. Stock firmware is usable but clunky
Never update your firmware without backing up your current radio configuration (codeplug). Connect your radio to the PC using the programming cable.
If the process was interrupted, the radio may appear completely dead. Attempt to force it back into DFU mode (Step 3) and re-flash the firmware. If the bootloader remains intact, it will still accept a fresh firmware write. Lost Contact Names or Talkgroups
custom firmware project. Attempting to flash OpenGD77 firmware onto a DM-1702 may brick the device. Quick Troubleshooting Baofeng DM 1702 Programming - Page 2 - Two Way Radio Forum 28 Dec 2020 —