No specific info about version 16.4. Please visit the main page of Apple TV Firmware on Mac Informer.
This update is recommended for MacBook Pro (mid 2012) models.
The MacBook EFI Update will update the EFI firmware on your notebook computer.
This app helps you to update your Apple internal Bluetooth modules.
This app updates the firmware on the Radeon HD 2600 PRO card to address issues.
Mac Pro SMC Firmware Update is recommended for all Mac Pro (late 2013) models.