Latest Onda V919 Air CH Dual OS user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 5.1; V919 Air CH DualOS) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36 OPR/64.2.3282.60128	Opera 64	Android 5
Mozilla/5.0 (Linux; Android 5.1; V919 Air CH DualOS) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.96 Safari/537.36	Chrome 78	Android 5
Mozilla/5.0 (Linux; Android 5.1; V919 Air CH DualOS) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36 OPR/56.1.2780.51589	Opera 56	Android 5
Mozilla/5.0 (Linux; Android 5.1; V919 Air CH DualOS Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.91 Safari/537.36	Chrome 55	Android 5