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Do not use your primary Google or banking accounts on unverified hardware.

Devices running this OS may act as "zombie nodes," phoning home to malicious servers via unencrypted ports. bigdroidos 201 link

For a secure experience, retailers and experts suggest stick to certified devices like the real Xiaomi Mi Box, Nvidia Shield, or Google Chromecast with Google TV. How to Install Apps on S6Ultra with BigdroidOS 2.0.1? Do not use your primary Google or banking

For IPTV services, users often install IPTV Smarters Pro , which is a popular choice for managing live TV and VOD on non-standard Android builds. Alternatives and Safety Precautions users often install IPTV Smarters Pro