Latest Opera Mobile 29 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 8.1.0; itel A32F Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Mobile Safari/537.36 OPR/29.0.2254.120401 Android 8 A32F
Mozilla/5.0 (Linux; U; Android 8.1.0; Infinix X5514D Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/70.0.3538.110 Mobile Safari/537.36 OPR/29.0.2254.120401 Android 8 Smart 2 Pro
Mozilla/5.0 (Linux; U; Android 8.0.0; SM-G935F Build/R16NW; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/69.0.3497.100 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 8 Galaxy S7 Edge
Mozilla/5.0 (Linux; U; Android 7.1.2; Redmi 4X Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 7 Redmi 4X
Mozilla/5.0 (Linux; U; Android 7.1.2; Redmi 4X Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.98 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 7 Redmi 4X
Mozilla/5.0 (Linux; U; Android 7.1.2; Redmi 3S Build/N2G47H; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/69.0.3497.53 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 7 Redmi 3S
Mozilla/5.0 (Linux; U; Android 7.0; XT1580 Build/NPKS25.200-12-9; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.87 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 7 Moto X Force
Mozilla/5.0 (Linux; U; Android 7.0; SM-J710F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/64.0.3282.137 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 7 Galaxy J7
Mozilla/5.0 (Linux; U; Android 7.0; SM-J710F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 7 Galaxy J7
Mozilla/5.0 (Linux; U; Android 7.0; SM-J710F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 OPR/29.0.2254.120131 Android 7 Galaxy J7
Mozilla/5.0 (Linux; U; Android 7.0; SM-A520F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/60.0.3112.107 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 7 Galaxy A5 (2017)
Mozilla/5.0 (Linux; U; Android 7.0; SM-A310F Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.98 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 7 Galaxy A3 (2016)
Mozilla/5.0 (Linux; U; Android 7.0; G3112 Build/40.0.A.6.175; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/62.0.3202.84 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 7 Xperia XA1
Mozilla/5.0 (Linux; U; Android 6.0; ZTE BLADE A510 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/60.0.3112.116 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 6 Blade A510
Mozilla/5.0 (Linux; U; Android 6.0; U10 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.124 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 6 Unknown
Mozilla/5.0 (Linux; U; Android 6.0; Tiger Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/61.0.3163.98 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 6 Unknown
Mozilla/5.0 (Linux; U; Android 6.0; SMART_Turbo_4G Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/54.0.2840.85 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 6 Smart Turbo 4G
Mozilla/5.0 (Linux; U; Android 6.0; SMART Surf2 4G Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/44.0.2403.119 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 6 Smart Surf 2 4G
Mozilla/5.0 (Linux; U; Android 6.0; Redmi Note 4X Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/60.0.3112.116 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 6 Redmi Note 4X
Mozilla/5.0 (Linux; U; Android 6.0; HT17 Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/48.0.2564.106 Mobile Safari/537.36 OPR/29.0.2254.120398 Android 6 HT17