Latest Firefox 12 user agents:

User Agent Platform Device
Mozilla/5.0 (X11; Linux i686; rv:1.9.5.20) Gecko/4731-01-16 00:06:30.126465 Firefox/12.0 GNU/Linux Unknown
Mozilla/5.0 (Windows NT 5.1; et-EE; rv:1.9.1.20) Gecko/7215-08-06 21:06:21.525635 Firefox/12.0 Windows XP Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/6491-09-16 10:32:00.958405 Firefox/12.0 GNU/Linux Unknown
Mozilla/5.0 (Windows NT 5.01; id-ID; rv:1.9.1.20) Gecko/6281-03-28 06:31:45.962784 Firefox/12.0 Windows 2000 Unknown
Mozilla/5.0 (Windows NT 5.01; gv-GB; rv:1.9.0.20) Gecko/2295-10-18 10:03:47.076378 Firefox/12.0 Windows 2000 Unknown
Mozilla/5.0 (Windows NT 6.0; tig-ER; rv:1.9.2.20) Gecko/2276-09-23 11:34:44.666206 Firefox/12.0 Windows Vista Unknown
Mozilla/5.0 (Windows NT 6.1; fo-FO; rv:1.9.2.20) Gecko/3503-03-14 01:51:01.913239 Firefox/12.0 Windows 7 Unknown
Mozilla/5.0 (Windows NT 6.1; doi-IN; rv:1.9.1.20) Gecko/4092-10-22 03:35:47.945305 Firefox/12.0 Windows 7 Unknown
Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_9_1; rv:1.9.5.20) Gecko/9470-11-23 03:35:12.400635 Firefox/12.0 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_7_5; rv:1.9.5.20) Gecko/4699-07-11 19:46:15.828613 Firefox/12.0 Mac 10 Unknown
Mozilla/5.0 (X11; Linux i686; rv:1.9.7.20) Gecko/2921-07-03 18:27:50.826904 Firefox/12.0 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_12_6; rv:1.9.3.20) Gecko/9802-01-27 22:30:01.004181 Firefox/12.0 Mac 10 Unknown
Mozilla/5.0 (Windows 95; te-IN; rv:1.9.1.20) Gecko/5051-07-05 09:01:20.215317 Firefox/12.0 Windows 95 Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/7783-10-19 16:12:22.983612 Firefox/12.0 GNU/Linux Unknown
Mozilla/5.0 (Windows NT 6.2; gv-GB; rv:1.9.0.20) Gecko/6862-01-16 19:49:08.209320 Firefox/12.0 Windows 8 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_3; rv:1.9.2.20) Gecko/5404-04-18 02:32:05.712418 Firefox/12.0 Mac 10 Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/4624-08-15 05:35:34.136597 Firefox/12.0 GNU/Linux Unknown
Mozilla/5.0 (Windows NT 10.0; vi-VN; rv:1.9.2.20) Gecko/2062-05-06 05:13:23.716861 Firefox/12.0 Windows 10 Unknown
Mozilla/5.0 (Macintosh; PPC Mac OS X 10_9_7; rv:1.9.6.20) Gecko/7128-06-08 18:13:27.109741 Firefox/12.0 Mac 10 Unknown
Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_11_6; rv:1.9.5.20) Gecko/2579-11-09 08:39:16.022152 Firefox/12.0 Mac 10 Unknown