Before downloading any files, you must check your radio's current hardware version. Installing the wrong firmware for your hardware version is the most common way to brick a Baofeng.
The Rule:
Do not skip this section. A failed firmware update can brick your radio. Prepare the following hardware and software:
Updating the Baofeng DM-1702 is a rite of passage for owners. While the stock radio is functional, flashing custom firmware like OpenGD77 unleashes capabilities that rival radios costing three times as much. Proceed with caution, back up your data, and enjoy your upgraded radio.
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
, many users rely on cross-compatible software and tools from the ham community. Two Way Radio Forum Preparation & Hardware Requirements : Most users successfully use a standard Micro-USB cable , though some reported better stability with the official Baofeng cable
: When connected, the radio may appear in Windows Device Manager as " No Printer Attached ." This is normal for this specific chipset. Backup First
: Before attempting any flash, use the CPS software to "Read" and save your current codeplug to avoid total data loss. Two Way Radio Forum Official & Stock Update Process
Official firmware is often "hidden" or poorly indexed. Users suggest checking the bottom of the download pages on BaofengRadio.com Baofeng Tech
by scrolling past the manuals on what looks like a blank white page. Baofeng dm-x firmware update available?
Introduction
The Baofeng DM-1702 is a popular digital mobile radio (DMR) device that offers advanced communication features, including digital and analog modes, GPS, and text messaging. Like any electronic device, its firmware can become outdated, and updating it can improve performance, fix bugs, and add new features. This paper provides an overview of the Baofeng DM-1702 firmware update process, including the benefits, risks, and step-by-step instructions.
Benefits of Firmware Updates
Firmware updates for the Baofeng DM-1702 can bring several benefits, including:
Risks of Firmware Updates
While firmware updates are generally beneficial, there are some risks to consider:
Preparation for Firmware Update
To minimize risks and ensure a successful update:
Step-by-Step Firmware Update Instructions
To update the Baofeng DM-1702 firmware:
Common Issues and Troubleshooting
Common issues during the update process:
Conclusion
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.
References
Updating the firmware on your Baofeng DM-1702 Go to product viewer dialog for this item.
(Tier II DMR) is essential for fixing bugs, improving GPS stability, and ensuring compatibility with the latest digital radio features. Preparation & Requirements Before starting, ensure you have the following:
Hardware: A dedicated Baofeng USB programming cable (ensure the drivers are installed on your PC).
Battery: Ensure the radio is fully charged to prevent a power-off during the write process, which can brick the device.
Software: Download the official DM-1702 Firmware Upgrade Tool and the specific firmware .bin or .s19 file from a trusted source like Baofeng's official site or Radioddity. Step-by-Step Update Process 1. Enter DFU (Download) Mode
The radio must be in a specific bootloader state to accept new firmware: Turn the radio OFF.
Press and hold the Side Button 1 (typically the button above the PTT) and the PTT button simultaneously. While holding these buttons, turn the radio ON.
The LED indicator should flash (often green/red) or remain steady, indicating it is in firmware update mode. The screen will typically remain blank. 2. Connect to PC
Plug the programming cable into the radio’s side port and the other end into your PC’s USB port.
Open Device Manager on your PC to verify which COM Port has been assigned to the cable (e.g., COM3). 3. Run the Upgrade Tool Launch the DM-1702 Upgrade Software. Select the correct COM Port from the dropdown menu.
Click Open or Browse to locate and select the firmware file you downloaded.
Click Download or Update. A progress bar will indicate the status. Do not disconnect the cable or turn off the radio during this time. 4. Finalize and Reset baofeng dm1702 firmware update
Once the software displays "Success" or "Update Complete," the radio may reboot automatically. If it doesn't, turn it off and unplug the cable.
Factory Reset (Optional but Recommended): It is often best practice to perform a reset after a major firmware jump to prevent database conflicts.
Check the "About" or "Version" menu in the radio settings to confirm the new firmware version is active. Troubleshooting Tips
Connection Failed: Check that the programming cable is pushed firmly into the radio; these dual-pin connectors often require a very tight fit.
Driver Issues: If the COM port doesn't appear, reinstall the Prolific or CH340 USB-to-Serial drivers.
DMR ID: Firmware updates usually don't erase your codeplug, but it is wise to back up your codeplug using the standard programming software before you begin.
In the world of amateur radio, the Baofeng DM-1702 occupies a peculiar purgatory. It is a chimera—a $70 device that dares to offer both analog FM and digital DMR (Motorola’s proprietary Tier I & II standard). It is plastic, it is clunky, and its user interface feels like a calculator from 1999. But for the hacker, the tinkerer, and the cash-strapped ham, it is a portal. However, like all portals, it requires a key. That key is the firmware update.
Updating the DM-1702 is not a simple "click-to-update" affair. It is a ritual. It is a negotiation between your Windows PC (native Linux support is a myth here) and a Chinese bootloader that was last updated when George W. Bush was in office.
You can find updated versions of the stock firmware from various retailers or Baofeng directly.
You might be thinking, "My radio works out of the box. Why risk an update?" Here are five compelling reasons:
The Baofeng DM-1702 is a dual-band DMR-capable handheld. A firmware update can add bug fixes, improve digital/analog operation, and patch radio stability issues. Firmware updates are device-specific and can carry risk (bricking, losing settings, or invalidating warranties) if done incorrectly.