Latest Samsung Galaxy Young DUOS user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; U; Android 4.1.2; uk-ua; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 Instagram 54.0.0.14.82 Android (16/4.1.2; 160dpi; 320x480; samsung; GT-S6312; roy; qcom; uk_UA; 117539687)	Instagram 54	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; uk-ua; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30	Android Browser	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; ru-RU; GT-S6312 Build/JZO54K) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/57.0.2987.108 UCBrowser/12.10.0.1163 UCTurbo/1.10.3.900 Mobile Safari/537.36	UC Browser Turbo 1	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; ru-ru; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 YandexSearch/7.15	Android Browser	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; ru-ru; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 YaBrowser/21.1.0.188 (lite)	Yandex Browser Lite 21	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; ru-ru; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 Instagram 54.0.0.14.82 Android (16/4.1.2; 160dpi; 320x480; samsung; GT-S6312; roy; qcom; ru_RU; 117539687)	Instagram 54	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; ru-ru; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 ACHEETAHI/2100050072	CM Browser	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; ru-ru; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30	Android Browser	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; ro-ro; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30	Android Browser	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; pt-pt; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30[FBAN/EMA;FBLC/pt_PT;FBAV/83.0.0.8.184;]	Facebook Lite 83	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; nl-be; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30	Android Browser	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; hu-hu; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30	Android Browser	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 OPR/44.1.2254.143214	Opera Mobile 44	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30 OPR/19.0.2254.108926	Opera Mobile 19	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; fr-fr; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30	Android Browser	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; fa-fa; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30	Android Browser	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; en-US; GT-S6312 Build/JZO54K) AppleWebKit/534.31 (KHTML, like Gecko) UCBrowser/9.3.1.344 U3/0.8.0 Mobile Safari/534.31	UC Browser 9	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; en-US; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 UCBrowser/11.1.5.890 U3/0.8.0 Mobile Safari/534.30	UC Browser 11	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; en-US; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 UCBrowser/10.7.2.645 U3/0.8.0 Mobile Safari/534.30	UC Browser 10	Android 4
Mozilla/5.0 (Linux; U; Android 4.1.2; en-US; GT-S6312 Build/JZO54K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 UCBrowser/10.1.2.540 U3/0.8.0 Mobile Safari/534.30	UC Browser 10	Android 4