Latest Opera Mobile 55 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 9; ZTE Blade A3 2019RU Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.82 Mobile Safari/537.36 OPR/55.1.2254.56965 Android 9 Blade A3 (2019)
Mozilla/5.0 (Linux; U; Android 9; TECNO LC6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.90 Mobile Safari/537.36 OPR/55.0.2254.56491 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/55.0.2254.56857 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/55.0.2254.56695 Android 9 Pouvoir 3 Air
Mozilla/5.0 (Linux; U; Android 9; TECNO KC6 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 OPR/55.1.2254.56965 Android 9 Spark 4 Air
Mozilla/5.0 (Linux; U; Android 9; TECNO CC9 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 OPR/55.0.2254.56695 Android 9 Camon 12 Pro
Mozilla/5.0 (Linux; U; Android 9; LGV35 Build/PKQ1.190414.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/83.0.4103.96 Mobile Safari/537.36 OPR/55.1.2254.56965 Android 9 V30 Plus
Mozilla/5.0 (Linux; U; Android 9; itel W6004 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 OPR/55.1.2254.56965 Android 9 A56 LTE
Mozilla/5.0 (Linux; U; Android 9; itel W6004 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 OPR/55.0.2254.56857 Android 9 A56 LTE
Mozilla/5.0 (Linux; U; Android 9; itel W6002E Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.71 Mobile Safari/537.36 OPR/55.1.2254.56965 Android 9 S15
Mozilla/5.0 (Linux; U; Android 9; itel L6004 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 OPR/55.0.2254.56857 Android 9 A56 LTE
Mozilla/5.0 (Linux; U; Android 9; Infinix X652C Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/79.0.3945.116 Mobile Safari/537.36 OPR/55.0.2254.56857 Android 9 S5 Lite
Mozilla/5.0 (Linux; U; Android 9; Infinix X652A Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.105 Mobile Safari/537.36 OPR/55.0.2254.56683 Android 9 S5
Mozilla/5.0 (Linux; U; Android 9; Infinix X652 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 OPR/55.1.2254.56965 Android 9 S5
Mozilla/5.0 (Linux; U; Android 9; Infinix X626B Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/90.0.4430.91 Mobile Safari/537.36 OPR/55.1.2254.56965 Android 9 S4
Mozilla/5.0 (Linux; U; Android 9; Infinix X625B Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.152 Mobile Safari/537.36 OPR/55.0.2254.56695 Android 9 Hot 7 Pro
Mozilla/5.0 (Linux; U; Android 9; i97 Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/74.0.3729.136 Mobile Safari/537.36 OPR/55.0.2254.56695 Android 9 i97
Mozilla/5.0 (Linux; U; Android 9; BV5500Pro Build/P00610; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/91.0.4472.101 Mobile Safari/537.36 OPR/55.1.2254.56965 Android 9 BV5500 Pro
Mozilla/5.0 (Linux; U; Android 8.1.0; Xperia Z3C Build/OPM8.190605.005; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/75.0.3770.101 Mobile Safari/537.36 OPR/55.1.2254.56965 Android 8 Xperia Z3C
Mozilla/5.0 (Linux; U; Android 8.1.0; Ulefone_S1 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.105 Mobile Safari/537.36 OPR/55.0.2254.56695 Android 8 S1