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This error occurs when the firmware file you are trying to flash is not meant for your specific hardware version. As one user experienced, trying to flash a file named 1702_v02.02.019 on a version 1 radio with L05 firmware resulted in this exact error, even when using the RT72 CPS.
Many users prefer the OpenGD77 custom firmware, although it may not support all hardware revisions of the 1702. 🛠️ Key Tips for Success (As of 2025/2026) baofeng dm1702 firmware update
Remove the battery and look at the PCB (Printed Circuit Board) inside the battery compartment. If you see a large chip labeled "STM32F405," you have a V2. If you see a "BK4819" or unlabeled main processor, proceed with extreme caution—stick to official Baofeng updates only. This error occurs when the firmware file you
You need a dedicated Baofeng DMR programming cable. Standard analog Baofeng cables (like the UV-5R cable) lack the internal chip layout required for DMR data transfer. 🛠️ Key Tips for Success (As of 2025/2026)
until the progress bar reaches 100% and it says "Success" or "Finished." 5. Finalize the Process
Q: How often should I update my Baofeng DM-1702 firmware? A: You should update your firmware when a new version is released that fixes bugs or adds features you need.
Reconnect the radio to your PC, open your standard CPS, and write your previously saved codeplug back to the radio. Troubleshooting Common Errors If you run into issues during your , check the following culprits: