Baofeng Dm-1801 Firmware Update

A: No. The color screen version (sometimes called DM-1801 "Pro" or "Upgraded") uses completely different firmware. Do not attempt this guide on a color screen model – you will brick it.

If you have found an official firmware update file (often bundled with a zip file containing the CPS), follow this procedure carefully.

: Primarily focused on bug fixes. Common versions include v2.1.9 and v2.2.5 .

Not all DM-1801s are created equal. Baofeng (and its myriad OEM partners) have produced at least three distinct hardware revisions. Applying the wrong firmware can brick your radio. baofeng dm-1801 firmware update

Turn off the radio. Hold the button and the Side Key 1 (above PTT) while turning the volume knob on. The screen will flash a bootloader version.

Updating firmware carries a risk of "bricking" your device. Always ensure your cable connection is secure and your battery is fully charged before starting. Upgrading the Baofeng DM 1801 to the Open Firmware

: Ensure your battery is fully charged. Use the specific passive programming cable (without a Prolific/FTDI chip in the cable itself), as the UART chip is inside the radio. If you have found an official firmware update

: A complete rewrite of the operating system that makes the DM-1801 feel like a high-end Tier II radio. Preparation Checklist

When searching for a firmware update for the DM-1801, you will encounter two distinct paths. Choosing the right one is vital.

: Since the DM-1801 uses a chip-in-radio design, ensure your computer recognizes the USB device. You may need to run the CPS as an Administrator . Not all DM-1801s are created equal

Before doing anything, open your programming software (CPS) and read the current configuration from your radio. Save this

Some DM-1801 models include a GPS chip. Unfortunately, factory firmware often leaves it dormant or buggy. Certain custom firmware builds and specific official updates can activate APRS (Automatic Packet Reporting System) functionality over DMR or analog.