Latest Android 8 user agents:

User Agent Browser Device
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2138.1091 Mobile Safari/537.36 Chrome Mobile 52 Pixel 2
Mozilla/5.0 (Linux; Android 8.0.0; SC-04J) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.82 Mobile Safari/537.36 Chrome Mobile 90 Galaxy Feel
Mozilla/5.0 (Linux; Android 8.0.0; moto e5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.125 Mobile Safari/537.36 Chrome Mobile 84 Moto E5
Mozilla/5.0 (Linux; Android 8.0.0; Pixel 2 XL Build/OPD1.170816.004) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Mobile Safari/537.36 Chrome Mobile 147 Pixel 2 XL
Mozilla/5.0 (Linux; Android 8.1.0; LX 4G Plus Build/O11019; xx-xx) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/138.0.7204.179 Mobile Safari/537.36/Linnex AppShellVer:2.4.82 UUID/2b94c55c-9d02-3693-be48-b0a99cb73cbc Chrome Webview 138 Unknown
Mozilla/5.0 (Linux; Android 8.1.0; SM-A260G) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.91 Mobile Safari/537.36 Chrome Mobile 90 Galaxy A2 Core
Mozilla/5.0 (Linux; Android 8.0.0; SM-G965U Build/R16NW) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Mobile Safari/537.36 Chrome Mobile 147 Galaxy S9+
Mozilla/5.0 (Linux; Android 8.1.0; V1818CA Build/O11019) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/131.0.6778.200 Mobile Safari/537.36 VivoBrowser/15.7.0.2 vivo Browser 15 Y93s
Mozilla/5.0 (Linux; Android 8.1.0; SM-J410G Build/M1AJB; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/138.0.7204.179 Mobile Safari/537.36 Chrome Webview 138 Galaxy J4 Core
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.9163.1575 Mobile Safari/537.36 Chrome Mobile 49 Pixel 2
Mozilla/5.0 (Linux; Android 8.1.0; vivo 1724 Build/OPM1.171019.011) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/123.0.6312.118 Mobile Safari/537.36 VivoBrowser/15.6.6.0 vivo Browser 15 Y71
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2005.1418 Mobile Safari/537.36 Chrome Mobile 57 Pixel 2
Mozilla/5.0 (Linux; Android 8.1.0; vivo 1812_19 Build/O11019) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/123.0.6312.118 Mobile Safari/537.36 VivoBrowser/10.8.3.3 vivo Browser 10 Y81i
[FBAN/FB4A;FBAV/556.0.0.60.64;FBBV/933279626;FBDM/{density=3.0,width=1080,height=2076};FBLC/en_US;FBRV/938209460;FBCR/T-Mobile;FBMF/samsung;FBBD/samsung;FBPN/com.facebook.katana;FBDV/SM-G950U1;FBSV/8.0.0;FBBK/1;FBOP/19;FBCA/armeabi-v7a:armeabi;] Facebook 556 Galaxy S8
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.1251.1398 Mobile Safari/537.36 Chrome Mobile 58 Pixel 2
Mozilla/5.0 (Linux; Android 8.1.0; Y36 Build/OPM2.171019.012; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/138.0.7204.179 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/555.0.0.56.66;] Facebook 555 Unknown
Mozilla/5.0 (Linux; Android 8; SM-A523DS) AppleWebKit/739.25 (KHTML, like Gecko) Chrome/84.9658.8547.2524 Mobile Safari/353.21 OPR/35.12.457.256 Opera Mobile 35 SM-A523DS
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.8112.1232 Mobile Safari/537.36 Chrome Mobile 45 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.5067.1433 Mobile Safari/537.36 Chrome Mobile 50 Pixel 2
Mozilla/5.0 (Linux; Android 8.0.0; SM-G935F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Mobile Safari/537.36 Chrome Mobile 80 Galaxy S7 Edge