Since you cannot update the firmware, here is how to handle the common issues that usually prompt the search for an update:
– Some users have reported that newer D9 units (shipped after 2022) came with slightly improved Bluetooth chip firmware (better pairing stability). This is hardware-locked – you can’t “update” an older unit to get it. w-king d9 firmware update
Connect the speaker to your PC via a high-quality USB cable. Since you cannot update the firmware, here is
W-King does not provide downloadable firmware files or update tools on their official site for the D9 model. Unlike some modern electronics, the D9’s firmware is factory-installed and not meant for end-user updates. W-King does not provide downloadable firmware files or
It sounds like you’re referring to a specific review or feedback about the (likely a portable Bluetooth speaker) and its firmware update process .