Latest Android 8 user agents:

User Agent Browser Device
Mozilla/5.0 (Linux; Android 8.1.0; SAMSUNG SM-J530F) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/14.0 Chrome/87.0.4280.141 Mobile Safari/537.36 Samsung Browser 14 Galaxy J5 (2017)
Mozilla/5.0 (Linux; Android 8.0.0; AGS2-W09 Build/HUAWEIAGS2-W09; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/133.0.6943.137 Safari/537.36 Chrome Webview 133 MediaPad T5 10
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.5623.1233 Mobile Safari/537.36 Chrome Mobile 40 Pixel 2
Mozilla/5.0 (Linux; Android 8.1.0; FAME) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.105 Mobile Safari/537.36 Chrome Mobile 89 Fame
Mozilla/5.0 (Linux; Android 8.0.0; SM-N950F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.85 Mobile Safari/537.36 Chrome Mobile 94 Galaxy Note 8
Mozilla/5.0 (Linux; Android 8.0.0; SM-G955U Build/R16NW) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Mobile Safari/537.36 Chrome Mobile 151 Galaxy S8+
Mozilla/5.0 (Linux; Android 8.1.0; Hero_13 Build/OPM2.171019.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.7204.179 Mobile Safari/537.36 Chrome Mobile 138 Hero 13
Mozilla/5.0 (Linux; Android 8.1.0; vivo Y93s Build/O11019) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/131.0.6778.200 Mobile Safari/537.36 VivoBrowser/16.2.5.1 vivo Browser 16 Y93s
Mozilla/5.0 (Linux; Android 8.1.0; One) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.101 Mobile Safari/537.36 Chrome Mobile 98 Unknown
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.1867.1944 Mobile Safari/537.36 Chrome Mobile 44 Pixel 2
[FBAN/FB4A;FBAV/572.0.0.38.71;FBBV/1027405106;FBDM/{density=2.0,width=720,height=1280};FBLC/en_GB;FBRV/0;FBCR/Ncell;FBMF/samsung;FBBD/samsung;FBPN/com.facebook.katana;FBDV/SM-J710F;FBSV/8.1.0;FBOP/19;FBCA/armeabi-v7a:armeabi;] Facebook 572 Galaxy J7
Mozilla/5.0 (Linux; Android 8.1.0; SM-T580 Build/M1AJQ) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/138.0.7204.179 Safari/537.36 [FB_IAB/FB4A;FBAV/572.0.0.38.71;IABMV/1;] Facebook 572 Galaxy Tab A 10.1" (2016) WiFi
Mozilla/5.0 (Linux; Android 8.1.0; DUB-LX3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Mobile Safari/537.36 Chrome Mobile 105 Y7 (2019)
Mozilla/5.0 (Linux; Android 8.0.0; WAS-LX1 Build/HUAWEIWAS-LX1; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/138.0.7204.179 Mobile Safari/537.36 Chrome Webview 138 P10 Lite
Mozilla/5.0 (Linux; Android 8.0.0; SM-J737V) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.101 Mobile Safari/537.36 Chrome Mobile 98 Galaxy J7 (2018)
Mozilla/5.0 (Linux; Android 8.1.0; SM-J410F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.120 Mobile Safari/537.36 Chrome Mobile 91 Galaxy J4 Core
Mozilla/5.0 (Linux; Android 8.1.0; SM-J260F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.74 Mobile Safari/537.36 Chrome Mobile 95 Galaxy J2 Core
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.1048.1780 Mobile Safari/537.36 Chrome Mobile 46 Pixel 2
Mozilla/5.0 (Linux; Android 8.1.0; CAG-L02) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.127 Mobile Safari/537.36 Chrome Mobile 85 Y3 (2018)
Mozilla/5.0 (Linux; Android 8.1.0; vivo Y93S Build/O11019) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/131.0.6778.200 Mobile Safari/537.36 VivoBrowser/16.2.5.1 vivo Browser 16 Y93s