Some users on Reddit and the W-King Facebook group have reported that after updating to 3.2, the maximum volume lowered slightly (approx 2dB) to protect the drivers. If you are a "party max volume" user, you may prefer to stay on version 3.0.
If this fails, you will need to contact W-King for a replacement motherboard. Fortunately, their customer service is responsive, though shipping from China takes 2-3 weeks. w-king d9 firmware update
To address the challenges of firmware updates, we propose a framework for developing and implementing firmware updates for the W-King D9. The framework consists of the following steps: Some users on Reddit and the W-King Facebook
For most users, – provided you follow instructions carefully. The improvement in Bluetooth reliability alone transforms the user experience. However, this is not a plug-and-play process. It requires patience, a Windows PC, and a steady hand. a Windows PC
A simple & effecive way to track fuel consumption
Easy to understand the real cost of your vehicle
