W-king D9 Firmware Update File

W-King D9 Firmware Update — Feature Summary

Overview

• Purpose: Improves device stability, audio performance, and Bluetooth connectivity; adds bug fixes and minor feature enhancements.
• Devices: W-King D9 portable Bluetooth speaker.

Verify Your Model: If your speaker shows up as "W-KING D9-1" in your Bluetooth list, it likely already has the updated firmware.

• Only update if you’re experiencing a listed issue (e.g., TWS glitch, battery % stuck).
• Follow the manufacturer’s PDF guide exactly.
• Use a known-good USB data cable, not just a charging cable.

In the meantime, if you’re thinking of updating your own W-King D9: w-king d9 firmware update