Latest Opera 50 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 8.1.0; Plane 8580 4G PS8199ML Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/68.0.3440.91 Safari/537.36 OPR/50.0.2254.149180 Android 8 Plane 8580 4G
Mozilla/5.0 (Linux; U; Android 7.0; VFD 1300 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/58.0.3029.83 Safari/537.36 OPR/50.0.2254.149182 Android 7 Smart Tab N8
Mozilla/5.0 (Linux; U; Android 7.0; SMART_TV Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/51.0.2704.91 Safari/537.36 OPR/50.0.2254.149182 Android TV 7 Unknown
Mozilla/5.0 (Linux; U; Android 7.0; S270 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.83 Safari/537.36 OPR/50.0.2254.149182 Android 7 Ursus S270
Mozilla/5.0 (Linux; U; Android 7.0; PMT3327_3G Build/LMY48B; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Safari/537.36 OPR/50.0.2254.148937 Android 7 Wize 3327 3G
Mozilla/5.0 (Linux; U; Android 7.0; Plane_7557_4G_PS7171PL Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Safari/537.36 OPR/50.0.2254.149182 Android 7 Plane 7557 4G
Mozilla/5.0 (Linux; U; Android 7.0; LGT32 Build/NRD90U; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Safari/537.36 OPR/50.0.2254.149182 Android 7 Qua Tad PZ
Mozilla/5.0 (Linux; U; Android 7.0; itel Prime 4 Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Safari/537.36 OPR/50.0.2254.149182 Android 7 Prime 4
Mozilla/5.0 (Linux; U; Android 5.1; TECNO DP7CPRO Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/46.0.2490.76 Safari/537.36 OPR/50.0.2254.149182 Android 5 DroidPad 7C Pro
Mozilla/5.0 (Linux; U; Android 5.0.1; MicromaxF666 Build/LRX21M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.106 Safari/537.36 OPR/50.0.2254.149182 Android 5 F666
Mozilla/5.0 (Linux; U; Android 4.4.2; DEXP Ursus 7MV2 3G Build/KOT49H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/30.0.0.0 Safari/537.36 OPR/50.0.2254.149182 Android 4 Ursus 7MV2 3G
Mozilla/5.0 (Linux; U; Android 4.2.2; UNO_X10 Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Safari/534.30 OPR/50.0.2254.149182 Android 4 Uno X10
Mozilla/5.0 (Linux; U; Android 4.2.2; SUPRA M921G Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Safari/534.30 OPR/50.0.2254.149182 Android 4 M921G
Mozilla/5.0 (Linux; U; Android 4.2.2; Lenovo S6000L-F Build/JDQ39) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Safari/534.30 OPR/50.0.2254.149182 Android 4 IdeaTab S6000
Mozilla/5.0 (Linux; Android 7.1.1; Lenovo TB-8704X Build/NMF26F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.99 Safari/537.36 OPR/50.2.2426.136249 Android 7 TAB4 8 Plus
Mozilla/5.0 (Linux; Android 7.0; TZ877 Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.99 Safari/537.36 OPR/50.3.2426.136976 Android 7 TZ877
Mozilla/5.0 (Linux; Android 7.0; SHIELD Tablet Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.99 Safari/537.36 OPR/50.2.2426.136249 Android 7 SHIELD Tablet
Mozilla/5.0 (Linux; Android 6.0; PMT3418_4GE Build/MRA58K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.99 Safari/537.36 OPR/50.0.2426.136040 Android 6 PMT3418 4GE
Mozilla/5.0 (Linux; Android 6.0; Lenovo TB3-730X Build/MRA58K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.99 Safari/537.36 OPR/50.3.2426.136976 Android 6 TAB3 7
Mozilla/5.0 (Linux; Android 6.0.1; Lenovo YB-Q501F Build/MMB29M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.99 Safari/537.36 OPR/50.0.2426.136040 Android 6 Yoga A12