Latest Firefox 48 user agents:

User Agent Platform Device
Mozilla/5.0 (X11; Ubuntu; Linux i686 on x86_64; rv:48.0) Gecko/20100101 Firefox/48.0 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux armv7l; rv:48.0) Gecko/20100101 Firefox/48.0 Ubuntu Unknown
Mozilla/5.0 (X11; U; CrOS i686 0.13.507; rv:48.0) Gecko/20100101 Firefox/48.0 Chrome OS 0 Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:48.48) Gecko/20100101 Firefox/48.48 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:48.47.1) Gecko/20100101 Firefox/48.47.1 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:48.38.1) Gecko/20100101 Firefox/48.38.1 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86.64; rv:48.37.1) Gecko/20100101 Firefox/48.37.1 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux i686 on x86_64; rv:48.0) Gecko/20100101 Firefox/48.0 GNU/Linux Unknown
Mozilla/5.0 (X11; FreeBSD amd64; rv:48.0) Gecko/20100101 Firefox/48.0 FreeBSD Unknown
Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:48.0) Gecko/20100101 Firefox/48.0 Fedora Unknown
Mozilla/5.0 (Windows; Windows NT 6.0; Win64; x64; en-US) Gecko/20130401 Firefox/48.1 Windows Vista Unknown
Mozilla/5.0 (Windows; Windows NT 10.4;; en-US) Gecko/20130401 Firefox/48.6 Windows NT Unknown
Mozilla/5.0 (Windows; U; Windows NT 6.1; rv:48.0) Gecko/20100101 Firefox/48.0 Windows 7 Unknown
Mozilla/5.0 (Windows; U; Windows NT 10.2; x64) Gecko/20100101 Firefox/48.6 Windows NT Unknown
Mozilla/5.0 (Windows NT 9.0; Win64; x64; rv:48.49) Gecko/20100101 Firefox/48.49 Windows NT Unknown
Mozilla/5.0 (Windows NT 8.1.1; Win64; x64; rv:48.36.1) Gecko/20100101 Firefox/48.36.1 Windows NT Unknown
Mozilla/5.0 (Windows NT 6.3; WOW64; rv:48.0) Gecko/20100101 Firefox/48.0 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.3; rv:48.0) Gecko/20100101 Firefox/48.04 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.2; rv:50.0) Gecko/20100101 Firefox/48.0 Windows 8 Unknown
Mozilla/5.0 (Windows NT 6.2; rv:48.0) Gecko/20100101 Firefox/48.0 Windows 8 Unknown