Latest Firefox 3 user agents:

User Agent Platform Device
Mozilla/5.0 (Windows NT 6.1; vi-VN; rv:1.9.1.20) Gecko/9186-03-16 05:01:39.108643 Firefox/3.6.20 Windows 7 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_9; rv:1.9.3.20) Gecko/4547-03-25 13:52:25.840958 Firefox/3.6.10 Mac 10 Unknown
Mozilla/5.0 (Macintosh; PPC Mac OS X 10_8_9; rv:1.9.6.20) Gecko/3384-09-10 09:11:30.526825 Firefox/3.8 Mac 10 Unknown
Mozilla/5.0 (Windows 98; ru-RU; rv:1.9.0.20) Gecko/5167-01-20 10:35:18.226044 Firefox/3.6.19 Windows 98 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1; rv:1.9.3.20) Gecko/4207-07-11 08:18:06.264297 Firefox/3.8 Mac 10 Unknown
Mozilla/5.0 (Windows 98; ff-SN; rv:1.9.2.20) Gecko/4605-12-01 19:43:18.817307 Firefox/3.8 Windows 98 Unknown
Mozilla/5.0 (Windows NT 5.0; ky-KG; rv:1.9.0.20) Gecko/6166-04-23 00:45:51.255386 Firefox/3.8 Windows 2000 Unknown
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5; rv:1.9.4.20) Gecko/5997-06-29 01:41:15.062836 Firefox/3.8 Mac 10 Unknown
Mozilla/5.0 (Windows NT 5.01; pt-BR; rv:1.9.0.20) Gecko/3681-12-11 14:54:03.476059 Firefox/3.8 Windows 2000 Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/ Firefox/3.6.11 GNU/Linux Unknown
Mozilla/5.0 (Macintosh; PPC Mac OS X 10_5_4; rv:1.9.6.20) Gecko/9472-12-06 21:49:34.218781 Firefox/3.8 Mac 10 Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/ Firefox/3.6.5 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.6.20) Gecko/ Firefox/3.6.7 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.7.20) Gecko/9516-07-03 10:23:45.665710 Firefox/3.8 GNU/Linux Unknown
Mozilla/5.0 (X11; Linux x86_64; rv:1.9.5.20) Gecko/2052-11-11 14:05:10.721085 Firefox/3.6.5 GNU/Linux Unknown
Mozilla/5.0 (Windows CE; bo-IN; rv:1.9.0.20) Gecko/8926-10-14 06:34:08.928406 Firefox/3.8 Windows CE Unknown
Mozilla/5.0 (Windows NT 10.0; ro-RO; rv:1.9.1.20) Gecko/7648-04-08 21:18:09.865784 Firefox/3.6.1 Windows 10 Unknown
Mozilla/5.0 (Windows NT 10.0; niu-NU; rv:1.9.2.20) Gecko/3273-05-27 18:53:16.200661 Firefox/3.8 Windows 10 Unknown
Mozilla/5.0 (Windows 98; Win 9x 4.90; ka-GE; rv:1.9.0.20) Gecko/4296-11-26 22:01:45.483398 Firefox/3.8 Windows ME Unknown
Mozilla/5.0 (Windows 98; sw-TZ; rv:1.9.0.20) Gecko/5195-12-03 11:11:51.319000 Firefox/3.6.2 Windows 98 Unknown