W-king D9 Firmware Update Link
W-King D9 Firmware Update: A Comprehensive Review and Development Paper
- The update was not clearly documented by W-King.
- It unexpectedly changed the sound (not just bug fixes).
- It solved a problem they lived with for months, making the speaker feel “new again.”
: Use a high-quality USB cable (like a phone charging cable) to connect the speaker to your PC. Important Precautions Version Check w-king d9 firmware update
and its successor, the , are renowned for their heavy-hitting 60W bass and rugged build. However, keeping these speakers running at their peak often requires a firmware update, especially if you are looking for better True Wireless Stereo (TWS) stability or compatibility with the newer W-KING App. Why Update Your ? Updating the firmware can resolve several common issues: W-King D9 Firmware Update: A Comprehensive Review and
Step 4: Wait for the update to complete
- Fully charge the W-King D9 – Ensure the battery is at least 70% (preferably 100%). A power loss during update will corrupt the firmware.
- Use a reliable Windows PC (Windows 10 or 11) – The update tool is Windows-only. Mac and Linux are not supported.
- Obtain a good USB-A to USB-C data cable – Many USB-C cables are charge-only. You need one capable of data transfer (the one that came with the speaker usually works).
- Disable Bluetooth on nearby devices – Prevent accidental connections.
- Close other programs – Minimize interference with the USB port.
- Download the correct firmware file – Using the wrong file (e.g., for D9-1 or a clone) will break the speaker.
- Press and hold Volume + and Power for 5–10 seconds.
- Or press TWS button twice quickly while powered on.
- Factory reset the speaker: Press and hold Power + Volume + for 10 seconds. This clears any old cached settings.
- Test Bluetooth pairing – Pair with a phone and play music for 30 minutes. Check for dropouts.
- Test TWS – If you have two D9 units, pair them in stereo mode.
- Check sound quality – Listen for distortion at 80% volume. If it sounds worse, you might have used the wrong firmware (revert immediately via support).
- Verify version – Some update tools allow a “Read Version” button. Otherwise, the change log will tell you what’s new.