Latest Firefox 15 user agents:

User Agent Platform Device
Mozilla/5.0 (Windows CE; sw-KE; rv:1.9.2.20) Gecko/8977-07-07 08:10:44.853088 Firefox/15.0 Windows CE Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/5912-01-02 14:22:35.906067 Firefox/15.0 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/7248-01-27 12:38:15.447388 Firefox/15.0 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/7676-04-22 06:27:52.678894 Firefox/15.0 GNU/Linux Unknown
Mozilla/5.0 (Windows NT 5.01; fi-FI; rv:1.9.0.20) Gecko/5562-07-20 17:51:56.859146 Firefox/15.0 Windows 2000 Unknown
Mozilla/5.0 (Macintosh; PPC Mac OS X 10_6_8; rv:1.9.4.20) Gecko/4759-08-21 12:29:45.356888 Firefox/15.0 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_9_6; rv:1.9.2.20) Gecko/5046-10-10 23:40:04.235458 Firefox/15.0 Mac 10 Unknown
Mozilla/5.0 (Windows NT 5.1; gl-ES; rv:1.9.0.20) Gecko/3795-11-21 02:26:21.584129 Firefox/15.0 Windows XP Unknown
Mozilla/5.0 (Windows NT 11.0; am-ET; rv:1.9.1.20) Gecko/7068-03-10 05:10:46.716980 Firefox/15.0 Windows NT Unknown
Mozilla/5.0 (Macintosh; PPC Mac OS X 10_5_9; rv:1.9.2.20) Gecko/9378-11-10 17:03:15.553406 Firefox/15.0 Mac 10 Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/7419-09-23 11:08:12.613220 Firefox/15.0 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/8876-02-23 01:39:18.688324 Firefox/15.0 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_10_3; rv:1.9.3.20) Gecko/9371-10-14 15:09:01.097473 Firefox/15.0 Mac 10 Unknown
Mozilla/5.0 (Windows; U; Windows NT 5.1; rv:15.0) Gecko/20121011 Firefox/15.0.1 Windows XP Unknown
Mozilla/5.0 (Windows NT 6.2; WOW64; rv:15.0) Gecko/20120910144328 Firefox/15.0.2 Windows 8 Unknown
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:15.0) Gecko/20100101 Firefox/15.0.1) Ubuntu Unknown
Mozilla/5.0 (X11; FreeBSD amd64; rv:15.0) Gecko/20100101 Firefox/15.0.1 FreeBSD Unknown
Mozilla/5.0 (PPC; rv:15.0) Gecko/2011730 Firefox/15.0 Mac Unknown
Mozilla/5.0 (PPC; rv:15.0) Gecko/2002124 Firefox/15.0 Mac Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.5.9; rv:15.5) Gecko/20100101 Firefox/15.5.1 Mac 10 Unknown