Latest Zatec Gravity user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 7.0; ZATEC_GRAVITY) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Mobile Safari/537.36	Chrome Mobile 87	Android 7
Mozilla/5.0 (Linux; Android 7.0; ZATEC_GRAVITY) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.141 Safari/537.36	Chrome 87	Android 7
Mozilla/5.0 (Linux; Android 7.0; ZATEC_GRAVITY) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.101 Safari/537.36	Chrome 87	Android 7
Mozilla/5.0 (Linux; Android 7.0; ZATEC_GRAVITY Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Mobile Safari/537.36	Chrome Mobile 56	Android 7