Latest ZTE Optus X Spirit 2 user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Mobile Safari/537.36	Chrome Mobile 92	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Mobile Safari/537.36	Chrome Mobile 87	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.110 Mobile Safari/537.36	Chrome Mobile 86	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.101 Mobile Safari/537.36	Chrome Mobile 85	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.96 Mobile Safari/537.36	Chrome Mobile 83	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.117 Mobile Safari/537.36	Chrome Mobile 81	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Mobile Safari/537.36	Chrome Mobile 80	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Mobile Safari/537.36	Chrome Mobile 80	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.119 Mobile Safari/537.36	Chrome Mobile 80	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Mobile Safari/537.36	Chrome Mobile 70	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Mobile Safari/537.36	Chrome Mobile 108	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.0.0 Mobile Safari/537.36	Chrome Mobile 101	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.73 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/393.0.0.35.106;]	Facebook 393	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.73 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/374.0.0.20.109;]	Facebook 374	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.73 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/361.0.0.39.115;]	Facebook 361	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/358.0.0.34.117;]	Facebook 358	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/99.0.4844.58 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/357.0.0.23.115;]	Facebook 357	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/98.0.4758.87 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/352.0.0.21.117;]	Facebook 352	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/95.0.4638.50 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/361.0.0.39.115;]	Facebook 361	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; Z5031O Build/OPM1.171019.026; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/94.0.4606.61 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/356.0.0.28.112;]	Facebook 356	Android 8