Latest Opera Mobile 52 user agents:

User Agent Platform Device
Mozilla/5.0 Linux; Android 8.1.0; BQ-8067L Build/OPM2.171019.012 AppleWebKit/537.36 KHTML, like Gecko Chrome/73.0.3683.90 Mobile Safari/537.36 OPR/52.4.2517.140781 Android 8 Hornet Plus
Mozilla/5.0 (Linux; U; Android 9; WP7 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/86.0.4240.110 Mobile Safari/537.36 OPR/52.1.2254.54298 Android 9 WP7
Mozilla/5.0 (Linux; U; Android 9; Ulefone_Note 7 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/87.0.4280.66 Mobile Safari/537.36 OPR/52.2.2254.54723 Android 9 Note 7
Mozilla/5.0 (Linux; U; Android 9; TECNO LC6a Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 OPR/52.1.2254.54298 Android 9 Pouvoir 3 Air
Mozilla/5.0 (Linux; U; Android 9; TECNO LC6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/97.0.4692.98 Mobile Safari/537.36 OPR/52.2.2254.54723 Android 9 Pouvoir 3 Air
Mozilla/5.0 (Linux; U; Android 9; TECNO LC6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/96.0.4664.104 Mobile Safari/537.36 OPR/52.2.2254.54723 Android 9 Pouvoir 3 Air
Mozilla/5.0 (Linux; U; Android 9; TECNO LC6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.88 Mobile Safari/537.36 OPR/52.2.2254.54723 Android 9 Pouvoir 3 Air
Mozilla/5.0 (Linux; U; Android 9; TECNO LC6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.87 Mobile Safari/537.36 OPR/52.2.2254.54723 Android 9 Pouvoir 3 Air
Mozilla/5.0 (Linux; U; Android 9; TECNO LC6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 OPR/52.2.2254.54723 Android 9 Pouvoir 3 Air
Mozilla/5.0 (Linux; U; Android 9; TECNO LB8a Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/86.0.4240.198 Mobile Safari/537.36 OPR/52.1.2254.54298 Android 9 Pouvoir 3 Plus
Mozilla/5.0 (Linux; U; Android 9; TECNO KC6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 OPR/52.2.2254.54700 Android 9 Spark 4 Air
Mozilla/5.0 (Linux; U; Android 9; TECNO KC2j Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 OPR/52.2.2254.54723 Android 9 Spark 4
Mozilla/5.0 (Linux; U; Android 9; TECNO KB7j Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/72.0.3626.121 Mobile Safari/537.36 OPR/52.1.2254.54298 Android 9 Spark 3
Mozilla/5.0 (Linux; U; Android 9; TECNO KB3 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 OPR/52.0.2254.54030 Android 9 Camon iSky 3
Mozilla/5.0 (Linux; U; Android 9; TECNO CC9 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/93.0.4577.82 Mobile Safari/537.36 OPR/52.1.2254.54298 Android 9 Camon 12 Pro
Mozilla/5.0 (Linux; U; Android 9; TECNO CC7 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.92 Mobile Safari/537.36 OPR/52.1.2254.54298 Android 9 Camon 12
Mozilla/5.0 (Linux; U; Android 9; TECNO AB7 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/86.0.4240.198 Mobile Safari/537.36 OPR/52.2.2254.54723 Android 9 Phantom 9
Mozilla/5.0 (Linux; U; Android 9; Redmi S2 Build/PKQ1.181203.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/87.0.4280.101 Mobile Safari/537.36 OPR/52.2.2254.54723 Android 9 Redmi S2
Mozilla/5.0 (Linux; U; Android 9; Micromax N4120 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 OPR/52.1.2254.54298 Android 9 N4120
Mozilla/5.0 (Linux; U; Android 9; LM-V350N Build/PKQ1.181105.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/81.0.4044.138 Mobile Safari/537.36 OPR/52.2.2254.54723 Android 9 V35