The scanning speed on stock DM-1702 firmware is slow. The OpenGD77 firmware reduces scan resume time significantly, turning the radio into a viable scanner for public safety or ham radio use.
For the DM-1702, there are two main firmware paths:
Before doing anything, connect your radio to your PC using the official Baofeng CPS software and perform a "Read" operation. Save this .codeplug file somewhere safe. If anything goes wrong, you can restore your original settings.
The Baofeng DM1702 is a popular choice for amateur radio operators who want a dual-band, dual-mode (Analog and DMR) handheld transceiver without breaking the bank. However, like many Chinese radios, the stock firmware shipped from the factory is often a "minimum viable product." To unlock the true potential of your DM1702—or simply to fix persistent bugs—performing a Baofeng DM1702 firmware update is essential.
This guide will walk you through everything you need to know: why you should update, how to distinguish hardware versions, the risks involved, step-by-step flashing instructions, and the benefits of custom firmware (OpenGD77).
Based on 2021-2026 reports, updating the Baofeng DM-1702 firmware is a high-risk, high-reward process necessary for stability, but it often leads to "bricking" (rendering the radio unusable) if the wrong version is used.
The DM-1702 has multiple hardware revisions that look identical, making finding the correct firmware crucial. 📡 Review: Baofeng DM-1702 Firmware Update
Verdict: Essential for functionality, but proceed with extreme caution.
The Problem: Many factory-shipped DM-1702 units have buggy firmware, resulting in garbled screens, "No Printer Attached" errors, or unexpected power-offs.
The Solution: Upgrading to newer firmware versions (e.g., v2.2.22 or specific L05 versions) via the MD/Retevis RT72 CPS can resolve these issues, providing improved DMR handling and, in some cases, 4000-channel memory. baofeng dm1702 firmware update
Risks: Using incorrect firmware (e.g., trying to flash a DM-1701 file) will likely brick the unit.
Alternative: 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)
Identify Hardware: The radio has two main versions: Version 1 (L05.01.004 firmware) and Version 2 (v02.02.014 firmware).
Use Correct Software: Use the Retevis RT72 CPS or the specific "MD" programming software often packaged with the firmware files.
Update Method: Hold the '#' button while turning on the radio to enter DFU mode.
Community Support: Visit forums like Two Way Radio Forum or Facebook DM-1702 groups for links to specific, working firmware versions (.bin files), as official links are hard to find.
Disclaimer: Firmware updates are done at your own risk. Incorrect updates can permanently disable the device.
To make sure you don't brick your device, I can help you identify:
Your current firmware version (Menu -> Settings -> Radio Info -> Versions). The scanning speed on stock DM-1702 firmware is slow
Whether you have a Version 1 or Version 2 (based on your current version number).
Let me know your current version or if you need to know how to enter DFU mode! Baofeng dm-x firmware update available? - Facebook
Updating the Firmware of the Baofeng DM-1702: A Step-by-Step Guide
The Baofeng DM-1702 is a popular digital mobile radio that offers a wide range of features and functionalities, making it a favorite among amateur radio operators, emergency responders, and commercial users. Like any modern electronic device, the DM-1702's firmware can be updated to add new features, fix bugs, and improve performance. In this essay, we will walk through the process of updating the firmware of the Baofeng DM-1702, ensuring that users can take full advantage of their device's capabilities.
Why Update the Firmware?
Updating the firmware of your Baofeng DM-1702 can bring several benefits. New firmware versions can add new features, enhance the radio's performance, fix known issues, and improve compatibility with other devices. Baofeng regularly releases firmware updates that address user feedback and emerging technologies, making it essential to keep your device up to date.
Preparation for the Update
Before starting the firmware update process, it is crucial to prepare your device and computer. Here are the steps to follow:
The Firmware Update Process
With your device and computer prepared, you can proceed with the firmware update:
Conclusion
Updating the firmware of your Baofeng DM-1702 is a straightforward process that can significantly enhance your device's performance and functionality. By following the steps outlined in this guide, you can ensure that your radio remains up to date with the latest features and improvements. Regular firmware updates can help extend the useful life of your device and ensure it continues to meet your communication needs.
Updating the Baofeng DM-1702 (also known as the ) firmware is a delicate process that varies depending on your hardware version. It is crucial to identify your specific model version before proceeding, as flashing the wrong firmware can brick the device. Essential Preparation Check Hardware Version: Check your "Radio Info" in the menu. typically uses firmware versions like L05.01.004 and requires the RT72 CPS software uses firmware versions like v02.02.014 and requires MD CPS software Locate Firmware: Official firmware is often hidden at the bottom of the Baofeng Download Page
; you may need to scroll down past the manuals on what appears to be a blank white background. Required Cable:
Use a standard Baofeng "K-Type" programming cable. While some newer models have a USB-C port, users often report that the traditional programming port is more reliable for firmware flashes. Standard Firmware Update Process Enter DFU (Firmware Update) Mode: Turn off the radio. Press and hold the while turning the power/volume knob on. The screen will remain , and the status LED will turn solid green , indicating it is ready to receive data. Open the Firmware Tool: Launch your specific CPS Programming Software (MD or RT72 version). Navigate to Program -> Tool -> Firmware Upgrade Flash the Firmware: and select your unencrypted firmware file (.bin or .img). and wait for the progress bar to complete. Do disconnect or power off the radio during this time.
Close the software and restart the radio to verify the new version in the settings. Advanced and Troubleshooting Options
The Baofeng DM-1702 is a dual-band DMR/Analog handheld that stands out for having a color display and an open-source firmware option (OpenGD77). Updating its firmware isn't routine — but when done right, it transforms the radio.
If you are into working amateur radio satellites (like the International Space Station or AO-91), the stock firmware lacks proper doppler shift management. The OpenGD77 update adds a dedicated Satellite mode with automatic TX/RX frequency adjustments. Before doing anything, connect your radio to your