Latest Doogee DG550 Dagger user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; U; Android 4.4.2; en-US; DAGGER DG550 Build/KOT49H) 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 4.2.9; ru-ru; DAGGER DG550 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30	Android Browser	Android 4
Mozilla/5.0 (Linux; Android 5.1.1; Doogee DG550 Build/LMY49F) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36	Chrome Webview 39	Android 5
Mozilla/5.0 (Linux; Android 4.4.2; DAGGER DG550) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Mobile Safari/537.36	Chrome Mobile 80	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; DAGGER DG550 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36 YandexSearch/7.15	Chrome Webview 30	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; DAGGER DG550 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Mobile Safari/537.36	Chrome Webview 30	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; DAGGER DG550 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.109 Mobile Safari/537.36	Chrome Mobile 65	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; DAGGER DG550 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.137 Mobile Safari/537.36	Chrome Mobile 64	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; DAGGER DG550 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.83 Mobile Safari/537.36	Chrome Mobile 58	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; DAGGER DG550 Build/KOT49H) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.152 YaBrowser/15.6.2311.6088.00 Mobile Safari/537.36	Yandex Browser 15	Android 4
Mozilla/5.0 (Linux; Android 4.2.9; DAGGER DG550 Build/JDQ39) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.111 Mobile Safari/537.36	Chrome Mobile 63	Android 4