Solution: You forgot the Silicon Labs driver. Uninstall the generic Windows driver, restart your PC, and manually install the CP210x driver. Also, try a different Micro-USB cable (many old Android cables are power-only).

While the update is installed on the transmitter, it also changes how the transmitter communicates battery status to paired receivers. V461 introduces a more efficient polling mechanism, which reduces the receiver’s standby power draw by approximately 12%. Users report that their receiver batteries last an extra 1.5–2 hours after the update.

So, what exactly changes when you get the ucast v461 updated on your device? Here is a feature-by-feature breakdown.