Latest Blackview A30 user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 8.1.0; A30-RU) 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; A30-RU) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.111 Mobile Safari/537.36	Chrome Mobile 84	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; A30-RU) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Mobile Safari/537.36	Chrome Mobile 83	Android 8
Mozilla/5.0 (Linux; Android 8.1.0; A30-RU) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Mobile Safari/537.36 OPR/56.1.2780.51589	Opera Mobile 56	Android 8