If you value stability and warranty support, stick to the generic over-the-air updates. But if you need raw speed, deep access, and are willing to tweak hardware, the exclusive firmware is the ultimate upgrade.
If the device fails to boot after an update, look into methods, which allow you to push a functional firmware image to the K8204-W even when the web interface is inaccessible. Conclusion k8204w firmware exclusive
The K8204W Firmware Exclusive is not a bug but a feature designed for : If you value stability and warranty support, stick