Latest Xiaomi Mi One Plus user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.152 Safari/537.36 UCWEB/2.0 (Linux; U; Adr 2.3; zh-CN; MI-ONEPlus) U2/1.0.0 UCBrowser/8.6.0.199 U2/1.0.0 Mobile	UC Browser 8	Android 2
Mozilla/5.0 (Linux; U; Android 4.2.2; zh-CN; MI-ONEPlus) AppleWebKit/534.13 (KHTML, like Gecko) UCBrowser/8.6.0.199 U3/0.8.0 Mobile Safari/534.13	UC Browser 8	Android 4
mozilla/5.0 (linux; u; android 4.1.2; zh-cn; mi-one plus build/jzo54k) applewebkit/534.30 (khtml, like gecko) version/4.0 mobile safari/534.30 micromessenger/5.0.1.352	WeChat 5	Android 4
Mozilla/5.0 (Linux; U; Android 4.0.4; zh-cn; MI-ONE Plus Build/IMM76D) AppleWebKit/534.30 (KHTML, like Gecko) FlyFlow/2.2 Version/4.0 Mobile Safari/534.30	Baidu Browser 2	Android 4
Mozilla/5.0 (Linux; U; Android 2.3; zh-CN; MI-ONEPlus) AppleWebKit/534.13 (KHTML, like Gecko) UCBrowser/8.6.0.199 U3/0.8.0 Mobile Safari/534.13NULL	UC Browser 8	Android 2
Mozilla/5.0 (Linux; Android 4.1.2; MI-ONE Plus Build/JZO54K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 YaBrowser/17.11.1.628.00 Mobile Safari/537.36	Yandex Browser 17	Android 4
Mozilla/5.0 (Linux; Android 4.1.2; MI-ONE Plus Build/JZO54K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.111 Mobile Safari/537.36	Chrome Mobile 42	Android 4
Mozilla/5.0 (Linux; Android 4.1.2; MI-ONE Plus Build/JZO54K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.122 Mobile Safari/537.36	Chrome Mobile 35	Android 4
Mozilla/5.0 (Linux; Android 4.1.2; MI-ONE Plus Build/JZO54K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.99 Mobile Safari/537.36	Chrome Mobile 32	Android 4