Latest Firefox 52 user agents:

User Agent Platform Device
Mozilla/5.0 (X11;U; Linux i686; en-GB; rv:1.9.1) Gecko/20090624 Ubuntu/9.04 (jaunty) Firefox/52.4.0 Ubuntu 9 Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:92.0) Gecko/20180101 Firefox/52.0.1 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:52.0.2; CityMobil:5322) Gecko/20100101 Firefox/52.0.2 Workplace/5322 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0 FirePHP/0.7.4 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:48.0) Gecko/20100101 Firefox/52.0 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:52.0) Gecko/20100101 Firefox/52.0,gzip(gfe) Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux armv7l; rv:52.0) Gecko/20100101 Firefox/52.0 Ubuntu Unknown
Mozilla/5.0 (X11; Ubuntu; Linux aarch64; rv:52.0) Gecko/20100101 Firefox/52.0 Ubuntu Unknown
Mozilla/5.0 (X11; U; SunOS sun4v; es-ES; rv:1.8.1.9) Gecko/20071127 Firefox/52.0 Solaris Unknown
Mozilla/5.0 (X11; U; SunOS sun4u; pl-PL; rv:1.8.1.6) Gecko/20071217 Firefox/52.7.3 Solaris Unknown
Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.9b5) Gecko/2008032620 Firefox/52.7.4 Solaris Unknown
Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.8.1.4) Gecko/20070531 Firefox/52.7.3 Solaris Unknown
Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.8.1.20) Gecko/20090108 Firefox/52.0.2 Solaris Unknown
Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.8.0.7) Gecko/20060915 Firefox/52.7.3 Solaris Unknown
Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.8.0.1) Gecko/20060206 Firefox/52.4.0 Solaris Unknown
Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.8) Gecko/20051130 Firefox/52.7.0 Solaris Unknown
Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.7.12) Gecko/20050922 Firefox/52.0 Solaris Unknown
Mozilla/5.0 (X11; U; SunOS sun4u; en-GB; rv:1.8.0.1) Gecko/20060206 Firefox/52.7.0 Solaris Unknown
Mozilla/5.0 (X11; U; SunOS i86pc; fr; rv:1.9.0.4) Gecko/2008111710 Firefox/52.5.0 Solaris Unknown
Mozilla/5.0 (X11; U; SunOS i86pc; en-ZW; rv:1.8.1.6) Gecko/20071125 Firefox/52.0 Solaris Unknown