Searching for "bigdroidos ultima version 201 top" reveals that it is associated with a reported involving counterfeit Android streaming devices
: Most BigDroidOS devices lack the Widevine L1 certification required to stream Netflix or Disney+ in 4K, often capping playback at 480p or 720p regardless of the OS name.
1. What is BigDroidOS?
Recommend sticking to reputable, certified devices for a safer experience: Google TV Streamer Nvidia Shield TV Amazon Fire TV Stick
: Check the Google Play Store settings to see if the device is "Play Protect Certified".