Latest Lenovo TAB4 8 REL user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 7.1.1; Lenovo TB-8X04F Build/NMF26F; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/52.0.2743.100 Safari/537.36	Chrome Webview 52	Android 7