Baofeng Dm1702 Firmware Update | Free |
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
Part 1: Understanding Firmware on the DM-1702
Before diving into the update process, it is essential to understand what firmware actually does on your DM-1702. The radio contains two main types of software: baofeng dm1702 firmware update
for this model's chipset and does not mean the connection failed. Read/Write Failures : If the software fails to read the radio, try the Retevis RT72 CPS Version Mismatch hardware typically uses firmware starting with L05.01.xxx hardware typically uses firmware starting with v02.02.xxx Two Way Radio Forum or help identifying your specific hardware version Baofeng DM 1702 Programming - Page 2 Updating the Baofeng DM-1702 (also known as the
Navigate to Program -> Tool to open the firmware upgrade window. Load and Flash: OpenGD77 installation – Unlocks true dual-slot DMR, better
- OpenGD77 installation – Unlocks true dual-slot DMR, better audio, satellite mode, and a cleaner UI.
- Fix boot loops – Some stock versions hang on startup.
- Improve battery readout – Stock gauge is notoriously inaccurate.
- Enable hidden features – Like Bluetooth programming (if supported).
Stock Firmware vs. OpenGD77
For the DM-1702, there are two main firmware paths:
Restart: Once complete, turn the radio off and back on to initialize the new firmware.