Latest Matrix 7116 A5 user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 4.4.2; Matrix7116) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 OPR/58.1.2878.53288	Opera 58	Android 4
Mozilla/5.0 (Linux; Android 4.4.2; Matrix7116 Build/706K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.109 Safari/537.36	Chrome 65	Android 4