For unifi TV boxes (specifically the unifi Plus Box), "Developer Options" are not hidden behind a password by default, but they are tucked away in the standard Android TV hidden menu. How to Enable Developer Options
Reducing "Window animation scale" to 0.5x makes the UI feel significantly faster. Sideloading password developer option unifi tv better
Open Settings: Use your remote to navigate to the gear icon on the home screen. For unifi TV boxes (specifically the unifi Plus
Unlocking this menu gives you more control over your hardware: ADB Debugging: Essential for installing apps via a PC. password developer option unifi tv better
Find Build Number: Scroll down to the bottom to find Android TV OS Build.