Latest Mi Browser 9 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux;U;Android 6.0;en-us;Cherry Mobile Flare 5 Build/MRA58K) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.146 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.1.3 Android 6 Flare 5
Mozilla/5.0 (Linux; U; Android 8.1.0; zh-cn; MI 6X Build/OPM1.171019.011) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.128 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.5.14 Android 8 Mi 6X
Mozilla/5.0 (Linux; U; Android 8.1.0; zh-cn; AWM-A0 Build/G66T1812261CN00MP3) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.146 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.4.12 Android 8 Black Shark Helo
Mozilla/5.0 (Linux; U; Android 8.1.0; ru-ru; AGM A9 ru Build/OPM1.171019.019) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.146 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.4.9 Android 8 A9
Mozilla/5.0 (Linux; U; Android 8.1.0; pt-br; MI 6X Build/OPM1.171019.011) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.128 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.8.6 Android 8 Mi 6X
Mozilla/5.0 (Linux; U; Android 8.1.0; mr-in; Redmi Y2 Build/OPM1.171019.011) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.146 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.5.6 Android 8 Redmi Y2
Mozilla/5.0 (Linux; U; Android 8.1.0; en-in; Redmi Y2 Build/OPM1.171019.011) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.146 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.5.6 Android 8 Redmi Y2
Mozilla/5.0 (Linux; U; Android 8.1.0; en-gb; Redmi Y2 Build/OPM1.171019.011) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.128 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.7.3 Android 8 Redmi Y2
Mozilla/5.0 (Linux; U; Android 8.0.0; pt-pt; Mi Note 2 Build/OPR1.170623.032) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.128 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.8.5 Android 8 Mi Note 2
Mozilla/5.0 (Linux; U; Android 8.0.0; pt-br; Mi Note 2 Build/OPR1.170623.032) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.128 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.8.5 Android 8 Mi Note 2
Mozilla/5.0 (Linux; U; Android 8.0.0; pt-br; Mi Note 2 Build/OPR1.170623.032) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.128 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.8.4 Android 8 Mi Note 2
Mozilla/5.0 (Linux; U; Android 8.0.0; pt-br; Mi Note 2 Build/OPR1.170623.032) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.128 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.7.3 Android 8 Mi Note 2
Mozilla/5.0 (Linux; U; Android 8.0.0; en-us; Mi Note 2 Build/OPR1.170623.032) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.128 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.7.3 Android 8 Mi Note 2
Mozilla/5.0 (Linux; U; Android 8.0.0; en-us; Mi Note 2 Build/OPR1.170623.032) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.128 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.6.9 Android 8 Mi Note 2
Mozilla/5.0 (Linux; U; Android 7.1.2; zh-cn;OC105 Build/N2G47H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.128 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.7.2 Smartisan OS 6 Nut 3
Mozilla/5.0 (Linux; U; Android 7.1.2; zh-cn; ZUK Z2121 Build/N2G47H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.146 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.4.4 Android 7 ZUK Z2 Pro
Mozilla/5.0 (Linux; U; Android 7.1.2; zh-cn; OPPO R11 Plus Build/N2G47H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.146 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.4.4NULL Android 7 R11 Plus
Mozilla/5.0 (Linux; U; Android 7.1.2; zh-cn; OPPO R11 Plus Build/N2G47H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.146 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.2.8NULL Android 7 R11 Plus
Mozilla/5.0 (Linux; U; Android 7.1.2; zh-cn; OPPO R11 Plus Build/N2G47H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.146 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.2.11NULL Android 7 R11 Plus
Mozilla/5.0 (Linux; U; Android 7.1.2; zh-cn; MI 5X Build/N2G47H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/53.0.2785.146 Mobile Safari/537.36 XiaoMi/MiuiBrowser/9.3.8 Android 7 Mi 5X