Latest Bravis Spark user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 5.1; BRAVIS_SPARK) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.81 Mobile Safari/537.36	Chrome Mobile 85	Android 5
Mozilla/5.0 (Linux; Android 5.1; BRAVIS_SPARK Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/39.0.0.0 Mobile Safari/537.36	Chrome Webview 39	Android 5
Mozilla/5.0 (Linux; Android 5.1; BRAVIS_SPARK Build/LMY47I) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.141 Mobile Safari/537.36 OPR/45.1.2246.125351	Opera Mobile 45	Android 5