Latest Firefox 49 user agents:

User Agent Platform Device
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:49.0) Gecko/20130331 Firefox/49.0 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64) Gecko/20100101 Firefox/49.0 Ubuntu Unknown
Mozilla/5.0 (X11; Revenge; Linux x86_64; rv:49.0) Gecko/20100101 Firefox/49.0 GNU/Linux Unknown
Mozilla/5.0 (X11; NetBSD arm64; rv:49.0) Gecko/20100101 Firefox/49.0 NetBSD Unknown
Mozilla/5.0 (X11; NetBSD amd64; rv:49.0) Gecko/20100101 Firefox/49.0 NetBSD Unknown
Mozilla/5.0 (X11; NetBSD aarch64; rv:49.0) Gecko/20100101 Firefox/49.0 NetBSD Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:49.55.1) Gecko/20100101 Firefox/49.55.1 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:49.55) Gecko/20100101 Firefox/49.55 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:49.53.2) Gecko/20100101 Firefox/49.53.2 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:49.49) Gecko/20100101 Firefox/49.49 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:49.46) Gecko/20100101 Firefox/49.46 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:49.42.1) Gecko/20100101 Firefox/49.42.1 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:49.37.2) Gecko/20100101 Firefox/49.37.2 GNU/Linux Unknown
Mozilla/5.0 (Windows; Windows NT 8.1; rv:49.0) Gecko/20100720 Firefox/49.0 Windows NT Unknown
Mozilla/5.0 (Windows; Windows NT 6.2;) Gecko/20100101 Firefox/49.8 Windows 8 Unknown
Mozilla/5.0 (Windows; Windows NT 10.3; Win64; x64; en-US) Gecko/20100101 Firefox/49.6 Windows NT Unknown
Mozilla/5.0 (Windows; Windows NT 10.1; Win64; x64; en-US) Gecko/20100101 Firefox/49.5 Windows NT Unknown
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) Gecko/20100101 Firefox/49.5 Windows 7 Unknown
Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:49.0) Gecko/20100101 Firefox/49.0 Windows Server 2003 Unknown
Mozilla/5.0 (Windows; U; Windows NT 10.5; WOW64; en-US) Gecko/20100101 Firefox/49.5 Windows NT Unknown