Try a different USB port, reinstall the USB drivers, or try holding different button combinations to enter DFU mode (e.g., holding # or PTT+SK1 ).
This is often recoverable. A user on the Two Way Radio forum described a radio that would not turn on after a failed update. The solution was to simply . If this fails, put the radio back into DFU mode and flash a known good firmware file again. In most cases, DFU mode remains accessible even if the main operating system is corrupted. If you have no luck, try flashing a different version of the firmware file that you know is compatible with your model.
Open your standard Baofeng CPS (Customer Programming Software).
The DM-1702 has a separate bootloader (firmware for loading firmware). Generally, unless the OpenGD77 or Baofeng instructions explicitly require it for a specific version. baofeng dm1702 firmware update
The Complete Guide to Baofeng DM-1702 Firmware Updates The Baofeng DM-1702 is a popular, budget-friendly dual-band DMR (Digital Mobile Radio) handheld transceiver. Keeping your radio's firmware updated is crucial for fixing bugs, improving audio quality, and unlocking new software features.
Many factory-shipped DM-1702 units have buggy firmware, resulting in garbled screens, "No Printer Attached" errors, or unexpected power-offs.
Usually a .bin or .exe file provided by the retailer or manufacturer. Try a different USB port, reinstall the USB
The information in this article is provided for educational purposes only. The author and publisher disclaim any liability for damages or losses resulting from the use of this information. Always follow proper safety precautions and consult the user manual and manufacturer's instructions before updating your Baofeng DM-1702 firmware.
Don't panic. Put the radio back into Update Mode (PTT + SK1 + Power On) and try flashing the firmware file again. Sometimes the first flash does not take properly. Stay Up to Date
Before flashing new software to your radio, gather the necessary equipment and files to prevent "bricking" (rendering unusable) your device: The solution was to simply
If the language has reverted to Chinese, look for the gear icon (), select Radio Set , find Language , and change it back to English. Reconnect the radio to your PC.
Disclaimer: Firmware updates are done at your own risk. Incorrectly flashing firmware can cause permanent damage to your device.
The (also sold in some markets as the Retevis RT72 Go to product viewer dialog for this item.
A specific executable file (usually named Upgrade.exe or DMR_Upgrade ) supplied by Baofeng or authorized distributors.