Latest OPPO AX5 user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; U; Android 8.1.0; en-US; CPH1851 Build/OPM1.171019.026) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.108 UCBrowser/13.3.8.1305 Mobile Safari/537.36	UC Browser 13	Android 8
Mozilla/5.0 (Linux; U; Android 8.1.0; en-US; CPH1851 Build/OPM1.171019.026) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.108 UCBrowser/13.3.5.1304 Mobile Safari/537.36	UC Browser 13	Android 8
Mozilla/5.0 (Linux; U; Android 8.1.0; en-US; CPH1851 Build/OPM1.171019.026) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/78.0.3904.108 UCBrowser/13.3.0.1302 Mobile Safari/537.36	UC Browser 13	Android 8
Mozilla/5.0 (Linux; Android 8.1; CPH1851 Build/OPM1.171019.026) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.83 Mobile Safari/537.36	Chrome Mobile 83	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.88 Mobile Safari/537.36 OPR/68.3.3557.64528	Opera Mobile 68	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.73 Mobile Safari/537.36	Chrome Mobile 99	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.87 Mobile Safari/537.36	Chrome Mobile 98	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.101 Mobile Safari/537.36	Chrome Mobile 98	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.98 Mobile Safari/537.36	Chrome Mobile 97	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.87 Mobile Safari/537.36	Chrome Mobile 97	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.70 Mobile Safari/537.36	Chrome Mobile 97	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.92 Mobile Safari/537.36	Chrome Mobile 96	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Mobile Safari/537.36	Chrome Mobile 96	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.104 Mobile Safari/537.36	Chrome Mobile 96	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.74 Mobile Safari/537.36	Chrome Mobile 95	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.85 Mobile Safari/537.36	Chrome Mobile 94	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.80 Mobile Safari/537.36	Chrome Mobile 94	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.71 Mobile Safari/537.36	Chrome Mobile 94	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.61 Mobile Safari/537.36	Chrome Mobile 94	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; CPH1851) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.50 Mobile Safari/537.36	Chrome Mobile 94	Android 8