Latest UC Browser 12 user agents:

User Agent Platform Device
Mozilla/5.0 Linux; U; Android 9; en-US; SM-N935L Build/PPR1.180610.011 AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.12.2.1188 Mobile Safari/537.36 Android 9 Galaxy Note Fan Edition
Mozilla/5.0 Linux; U; Android 9; en-US; SM-N935K Build/PPR1.180610.011 AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/71.0.3578.99 UCBrowser/12.9.7.1179 Mobile Safari/537.36 Android 9 Galaxy Note Fan Edition
Mozilla/5.0 Linux; U; Android 9; en-US; SM-G975N Build/PPR1.180610.011 AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.12.5.1189 Mobile Safari/537.36 Android 9 Galaxy S10+
Mozilla/5.0 Linux; U; Android 9; en-US; SM-G611L Build/PPR1.180610.011 AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.11.8.1186 Mobile Safari/537.36 Android 9 Galaxy On7 Prime
Mozilla/5.0 Linux; U; Android 9; en-US; SM-G611K Build/PPR1.180610.011 AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.10.8.1172 Mobile Safari/537.36 Android 9 Galaxy On7 Prime
Mozilla/5.0 Linux; U; Android 9; en-US; SM-A920N Build/PPR1.180610.011 AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.10.6.1200 Mobile Safari/537.36 Android 9 Galaxy A9 (2018)
Mozilla/5.0 Linux; U; Android 9; en-US; SM-A705F Build/PPR1.180610.011 AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.12.0.1187 Mobile Safari/537.36 Android 9 Galaxy A70
Mozilla/5.0 Linux; U; Android 9.0; SM-A8s Build/LMY47I AppleWebKit/534.30 KHTML, like Gecko Version/4.0 UCBrowser/12.12.0.1187 U3/0.8.0 Mobile Safari/534.30 Android 9 Galaxy A8s
Mozilla/5.0 Linux; U; Android 8.1.0; en-US; SM-J730K Build/M1AJQ AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.11.2.1184 Mobile Safari/537.36 Android 8 Galaxy J7 (2017)
Mozilla/5.0 Linux; U; Android 8.1.0; en-US; SM-J710GN Build/M1AJQ AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.11.5.1185 Mobile Safari/537.36 Android 8 Galaxy J7 (2016)
Mozilla/5.0 Linux; U; Android 8.1.0; en-US; PSP7546DUO Build/OPM2.171019.012 AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.12.0.1187 Mobile Safari/537.36 Android 8 X Pro
Mozilla/5.0 Linux; U; Android 8.1.0; en-US; Platina 1579M 4G NS1800ML Build/O11019 AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.12.2.1188 Mobile Safari/537.36 Android 8 Platina 1579M 4G
Mozilla/5.0 Linux; U; Android 8.1.0; en-US; LM-Q850 Build/OPM1.171019.026 AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.11.8.1186 Mobile Safari/537.36 Android 8 G7 Fit
Mozilla/5.0 Linux; U; Android 8.1.0; en-US; BQ-5520L Build/O11019 AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.11.3.1202 Mobile Safari/537.36 Android 8 Silk
Mozilla/5.0 Linux; U; Android 8.1.0; en-US; BQ-5302G Build/O11019 AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.11.3.1204 Mobile Safari/537.36 Android 8 Velvet 2
Mozilla/5.0 Linux; U; Android 8.1.0; en-US; BQ-5300G Build/O11019 AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/75.0.3770.67 UCBrowser/12.10.6.1200 Mobile Safari/537.36 Android 8 Velvet View
Mozilla/5.0 Linux; U; Android 8.1.0; en-US; 5059D_RU Build/O11019 AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.10.0.1178 Mobile Safari/537.36 Android 8 1X
Mozilla/5.0 Linux; U; Android 8.0; en-US; SM-A6+ Build/LMY47I AppleWebKit/534.30 KHTML, like Gecko Version/4.0 UCBrowser/12.11.3.1204 U3/0.8.0 Mobile Safari/534.30 Android 8 Galaxy A6+
Mozilla/5.0 Linux; U; Android 8.0; en-US; SM-A6 Build/LMY47I AppleWebKit/534.30 KHTML, like Gecko Version/4.0 UCBrowser/12.8.8.1140 U3/0.8.0 Mobile Safari/534.30 Android 8 Galaxy A6
Mozilla/5.0 Linux; U; Android 7.1.1; en-US; SM-J510L Build/NMF26X AppleWebKit/537.36 KHTML, like Gecko Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.10.0.1196 Mobile Safari/537.36 Android 7 Galaxy J5 (2016)