Latest Bravis NP844 user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 4.4.2; BRAVIS NP 844) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.62 Safari/537.36	Chrome 78	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; BRAVIS NP 844 Build/KVT49L) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 YaBrowser/18.1.0.527.01 Safari/537.36	Yandex Browser 18	Android 4