You may have installed a firmware file intended for a different hardware revision of the D9. Contact W-KING support to request a rollback firmware file or a version matched precisely to your serial number. Conclusion
: Users reported that the original firmware lacked depth at lower volumes. The update improves bass retention and "richness" even when the speaker isn't pushed to its limits.
Send an email to support.amazon@w-king.com or use the contact form on the W-KING official site . Request Firmware: Specifically ask for the latest firmware update for the , mentioning if you want improved bass or stability fixes. w-king d9 firmware update
throughout the update process until the PC utility completes the transfer. Google Play Important Troubleshooting Version Identification : An updated will appear as W-KING D9-1 in your Bluetooth list. If it still says , it likely has the older firmware. Hard Reset
Use a high-quality USB-C to USB-A cable that supports data transfer, not just charging. You may have installed a firmware file intended
, come with this firmware pre-installed, meaning no manual update is necessary for newer purchases. Update Necessity:
The most modern and safest way to manage your device is through the official W-KING App on Google Play or the App Store . : Pair your speaker to your phone via Bluetooth. The update improves bass retention and "richness" even
Contact W-King customer support with your speaker's serial number to get the exact recovery firmware file. To help tailor this guide further, let me know: What are you trying to fix with the update?
For most users, this is fine. It’s a utility speaker. But recently, users diving into the recesses of W-King’s support sites have discovered a downloadable firmware package that fundamentally changes the DNA of the device.
If the app does not support your specific hardware revision, some users perform manual updates using a PC, though this carries a risk of "bricking" the device. Download Firmware