Latest Vivo Y31 user agents:

User Agent	Browser	Platform
[FBAN/FB4A;FBAV/565.0.0.49.74;FBBV/992346934;FBDM/{density=2.75,width=1080,height=2225};FBLC/en_US;FBRV/998713177;FBCR/airtel;FBMF/vivo;FBBD/vivo;FBPN/com.facebook.katana;FBDV/V2036;FBSV/13;FBOP/1;FBCA/arm64-v8a:;]	Facebook 565	Android 13
Mozilla/5.0 (Linux; Android 14; V2036 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/149.0.7827.192 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/567.1.0.52.74;]	Facebook 567	Android 14
Mozilla/5.0 (Linux; Android 12; V2036 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/149.0.7827.192 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/567.1.0.52.74;]	Facebook 567	Android 12
Mozilla/5.0 (Linux; Android 14; V2036 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/149.0.7827.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/566.0.0.48.73;]	Facebook 566	Android 14
Mozilla/5.0 (Linux; Android 12; V2036 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/149.0.7827.91 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/566.0.0.48.73;]	Facebook 566	Android 12
Mozilla/5.0 (Linux; Android 13; V2036 Build/TP1A.220624.014) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/149.0.7827.192 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/567.1.0.52.74;IABMV/1;]	Facebook 567	Android 13
Mozilla/5.0 (Linux; Android 13; V2036 Build/TP1A.220624.014) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/149.0.7827.192 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/567.1.0.52.74;IABMV/1;] FBNV/500	Facebook 567	Android 13
Mozilla/5.0 (Linux; Android 13; V2036) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/131.0.6778.200 Mobile Safari/537.36 VivoBrowser/16.1.2.0	vivo Browser 16	Android 13
Mozilla/5.0 (Linux; Android 13; V2036) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.97 Mobile Safari/537.36	Chrome Mobile 104	Android 13
Mozilla/5.0 (Linux; Android 12; V2036 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/148.0.7778.160 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/564.0.0.48.74;IABMV/1;]	Facebook 564	Android 12
Mozilla/5.0 (Linux; Android 14; V2036 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/148.0.7778.160 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/564.0.0.48.74;IABMV/1;]	Facebook 564	Android 14
Dalvik/2.1.0 (Linux; U; Android 11; V2036 Build/RP1A.200720.012)	Android Browser	Android 11
Dalvik/2.1.0 (Linux; U; Android 12; V2036 Build/SP1A.210812.003)	Android Browser	Android 12
Dalvik/2.1.0 (Linux; U; Android 13; V2036 Build/TP1A.220624.014)	Android Browser	Android 13
Mozilla/5.0 (Linux; Android 12; V2036 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/147.0.7727.86 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/563.0.0.47.86;]	Facebook 563	Android 12
Mozilla/5.0 (Linux; Android 13; V2036_21 Build/TP1A.220624.014; xx-xx) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/148.0.7778.215 Mobile Safari/537.36/vivo AppShellVer:2.4.78 UUID/f48bd604-0867-3fc7-a098-19586e4cbbbd	Chrome Webview 148	Android 13
Mozilla/5.0 (Linux; Android 12; V2036 Build/SP1A.210812.003; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/148.0.7778.120 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/560.0.0.55.69;]	Facebook 560	Android 12
Mozilla/5.0 (Linux; Android 13; V2036 Build/TP1A.220624.014; xx-xx) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/148.0.7778.178 Mobile Safari/537.36/vivo AppShellVer:2.4.67 UUID/6d6e73c1-8490-3b1b-afe0-f51bd2baf630	Chrome Webview 148	Android 13
Mozilla/5.0 (Linux; Android 13; V2036) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/131.0.6778.200 Mobile Safari/537.36 VivoBrowser/16.0.0.2	vivo Browser 16	Android 13
Mozilla/5.0 (Linux; Android 13; V2036) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/131.0.6778.200 Mobile Safari/537.36 VivoBrowser/15.8.2.0	vivo Browser 15	Android 13