Latest Opera Mobile 81 user agents:

User Agent Platform Device
Mozilla/5.0 (Linux; U; Android 9; TECNO RB8S Build/PPR1.180610.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/101.0.4951.61 Mobile Safari/537.36 OPR/81.0.2254.71844 Android 9 Pop 2X Plus
Mozilla/5.0 (Linux; U; Android 8.1.0; V140 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/123.0.6312.120 Mobile Safari/537.36 OPR/81.0.2254.71797 Android 8 V140
Mozilla/5.0 (Linux; U; Android 8.1.0; itel P32 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/125.0.6422.165 Mobile Safari/537.36 OPR/81.0.2254.72207 Android 8 P32
Mozilla/5.0 (Linux; U; Android 5.1; QMobile S9 Build/LMY47I; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.74 Mobile Safari/537.36 OPR/81.0.2254.72209 Android 5 S9
Mozilla/5.0 (Linux; U; Android 14; SM-E135F Build/UP1A.231005.007; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/126.0.6478.134 Mobile Safari/537.36 OPR/81.0.2254.71844 Android 14 Galaxy F13
Mozilla/5.0 (Linux; U; Android 14; CPH2599 Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.172 Mobile Safari/537.36 OPR/81.0.2254.71844 Android 14 Reno 11
Mozilla/5.0 (Linux; U; Android 14; 23076RA4BC Build/UKQ1.230917.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/118.0.0.0 Mobile Safari/537.36 OPR/81.0.2254.72260 Android 14 Redmi Note 12R
Mozilla/5.0 (Linux; U; Android 13; TECNO KI5q Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/126.0.6478.186 Mobile Safari/537.36 OPR/81.0.2254.72260 Android 13 Spark 10
Mozilla/5.0 (Linux; U; Android 13; TECNO BG6i Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/125.0.6422.165 Mobile Safari/537.36 OPR/81.0.2254.71844 Android 13 Pop 8
Mozilla/5.0 (Linux; U; Android 13; TECNO BG6i Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.179 Mobile Safari/537.36 OPR/81.0.2254.71844 Android 13 Pop 8
Mozilla/5.0 (Linux; U; Android 13; Sparx Ultra 11 Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/125.0.6422.82 Mobile Safari/537.36 OPR/81.0.2254.72209 Android 13 Ultra 11
Mozilla/5.0 (Linux; U; Android 13; KINGKONG STAR Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/125.0.6422.82 Mobile Safari/537.36 OPR/81.0.2254.72209 Android 13 King Kong Star
Mozilla/5.0 (Linux; U; Android 13; itel P661N Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.123 Mobile Safari/537.36 OPR/81.0.2254.71844 Android 13 P55 5G
Mozilla/5.0 (Linux; U; Android 13; itel A513W Build/TP1A.220624.014; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/114.0.5735.60 Mobile Safari/537.36 OPR/81.0.2254.72209 Android 13 A18s
Mozilla/5.0 (Linux; U; Android 13; CPH2467 Build/RKQ1.211119.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/126.0.6478.186 Mobile Safari/537.36 OPR/81.0.2254.72209 Android 13 Nord CE 3 Lite
Mozilla/5.0 (Linux; U; Android 12; VIA F30 Plus Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.179 Mobile Safari/537.36 OPR/81.0.2254.72209 Android 12 VIA F30 Plus
Mozilla/5.0 (Linux; U; Android 12; V2234 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.179 Mobile Safari/537.36 OPR/81.0.2254.71844 Android 12 Y02A
Mozilla/5.0 (Linux; U; Android 12; NEXG N6 Build/SP1A.210812.016; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/125.0.6422.165 Mobile Safari/537.36 OPR/81.0.2254.72209 Android 12 Nexg N6
Mozilla/5.0 (Linux; U; Android 11; TECNO BD3 Build/RP1A.200720.011; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/132.0.6834.163 Mobile Safari/537.36 OPR/81.0.2254.72209 Android 11 Pop 5P
Mozilla/5.0 (Linux; U; Android 11; SM-A022M Build/RP1A.200720.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/124.0.6367.124 Mobile Safari/537.36 OPR/81.0.2254.71797 Android 11 Galaxy A02