Xhdata D-808 Firmware Update
The Evolution of the XHDATA D-808 : Hardware Revisions Over Firmware Updates XHDATA D-808
The voltage thresholds were recalibrated. The icon now turns red at 3.3V rather than 3.6V, giving you accurate warning time before shutdown. xhdata d-808 firmware update
- Open the .hex firmware file in the flasher tool.
- Select the correct COM port and baud rate (typically 115200 or 57600 – check instructions).
- With the radio powered OFF, click “Start” or “Download.”
- Immediately press and hold the radio’s POWER button (or sometimes the BAND button – consult your update guide) while turning the radio on. This forces the radio into bootloader mode.
- The software should show a progress bar. Do not disconnect anything until it finishes (usually 30–60 seconds).





