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/57.0.4917.1058 Mobile Safari/537.36 Chrome Mobile 57 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.9168.1379 Mobile Safari/537.36 Chrome Mobile 42 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.9941.1029 Mobile Safari/537.36 Chrome Mobile 52 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.3712.1371 Mobile Safari/537.36 Chrome Mobile 49 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.1132.1942 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/48.0.1243.1713 Mobile Safari/537.36 Chrome Mobile 48 Pixel 2
Mozilla/5.0 (Linux; Android 8.1.0; PCDT00 Build/O11019; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/138.0.7204.179 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/566.0.0.57.86;] Facebook 566 A7n
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.9534.1537 Mobile Safari/537.36 Chrome Mobile 50 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2159.1800 Mobile Safari/537.36 Chrome Mobile 39 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.7562.1814 Mobile Safari/537.36 Chrome Mobile 49 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.6490.1647 Mobile Safari/537.36 Chrome Mobile 51 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.4260.1056 Mobile Safari/537.36 Chrome Mobile 49 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.8152.1367 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/42.0.3195.1343 Mobile Safari/537.36 Chrome Mobile 42 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.6544.1705 Mobile Safari/537.36 Chrome Mobile 58 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.9010.1140 Mobile Safari/537.36 Chrome Mobile 60 Pixel 2
Mozilla/5.0 (Linux; Android 8.1.0; 17pro maxs Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/138.0.7204.179 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/565.0.0.43.88;] Facebook 565 Unknown
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.8582.1246 Mobile Safari/537.36 Chrome Mobile 48 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.7748.1016 Mobile Safari/537.36 Chrome Mobile 57 Pixel 2
Mozilla/5.0 (Linux; Android 8.0; Pixel 2 Build/OPD3.170816.012) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.1635.1540 Mobile Safari/537.36 Chrome Mobile 39 Pixel 2