Xhdata D-808 Firmware Update Site

The XHDATA D-808 Go to product viewer dialog for this item. is a hardware-locked receiver, meaning there is no official user-upgradable firmware. Unlike modern software-defined radios (SDRs), its operating code is "baked into" the chipset during manufacturing.

1. Press and hold the "MET" (Meteor/Stopwatch) button on the top right of the radio.
2. While holding "MET," press the "POWER" button once.
3. The screen will remain black, but your PC software should now say "Connected" or "Bootloader Active."

Recommended pre-update checklist (do these every time)

1. Confirm model/revision: check the label and build number in Settings → About.
2. Download from a trusted source: prefer official vendor pages or well-known community threads with verified hashes.
3. Verify checksum: compare SHA256/MD5 when available.
4. Backup data: export settings and note Wi‑Fi credentials; expect a factory reset.
5. Use correct tool/method: OTA, USB update, or SD-card/ADB flash—follow exact instructions for your revision.
6. Stable power: use an uninterrupted power supply or ensure no power loss during flash.
7. Read user reports: search forums for others’ success/failure with the exact firmware+revision.

screen. Some units in this era introduced the MV04 PCB (upgraded from MV02), which modified the integrated battery management and charging setup. 2023 Revision: This latest hardware version introduced USB-C charging xhdata d-808 firmware update

If you need a feature the D-808 lacks (e.g., multi-level bandwidth filters, no muting at all), it is time to look at the Tecsun PL-990x or Qodosen DX-286 rather than trying to hack the D-808 further. The XHDATA D-808 Go to product viewer dialog for this item

Because there is no "check version" menu, enthusiasts use hardware and behavior cues to identify which factory revision they have:  Press and hold the "MET" (Meteor/Stopwatch) button on