Firefox 4 User Agents

Firefox 4 User Agents in our database. This is a listing of only some of the most popular ones.

  • Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b4) Gecko/20100818 Firefox/4.0b4

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0b8) Gecko/20100101 Firefox/4.0b8

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:2.0b1) Gecko/20100630 Firefox/4.0b1

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows; Windows NT 6.1; WOW64; rv:2.0b3) Gecko/20100805 Firefox/4.0b3

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0b9) Gecko/20100101 Firefox/4.0b9

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0b7) Gecko/20100101 Firefox/4.0b7

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0b11) Gecko/20100101 Firefox/4.0b11

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows; Windows NT 6.1; rv:2.0b2) Gecko/20100720 Firefox/4.0b2

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0b12) Gecko/20100101 Firefox/4.0b12

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0b6) Gecko/20100101 Firefox/4.0b6

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.2a1pre) Gecko/20110323 Firefox/4.2a1pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.0b13pre) Gecko/20110307 Firefox/4.0b13pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0) Gecko/20110319 Firefox/4.0

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0b10pre) Gecko/20110113 Firefox/4.0b10pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.2a1pre) Gecko/20110324 Firefox/4.2a1pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.0b11pre) Gecko/20110129 Firefox/4.0b11pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0.1) Gecko/20100101 Firefox/4.0.1 WebMoney Advisor

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.0b11pre) Gecko/20110128 Firefox/4.0b11pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows; U; Windows NT 6.1; ru-RU; rv:2.0b6pre) Gecko/20100907 Firefox/4.0b6pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0b11pre) Gecko/20110126 Firefox/4.0b11pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b6pre) Gecko/20100903 Firefox/4.0b6pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.0b13pre) Gecko/20110307 Firefox/4.0b13

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b11pre) Gecko/20110128 Firefox/4.0b11pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:1.9) Gecko/20100101 Firefox/4.0

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0b6pre) Gecko/20100912 Firefox/4.0b6pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; Win64; IA64; rv:2.0.1) Gecko/20180323 Firefox/4.0.0;

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows; Windows NT 6.1; en-US; rv:2.0b2pre) Gecko/20100718 Minefield/4.0b2pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0b6pre) Gecko/20100909 Firefox/4.0b6pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0.1) Gecko/20100101 Firefox/4.0.1

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.0b11pre) Gecko/20110131 Firefox/4.0b11pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1 YB/5.2.3

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0b4pre) Gecko/20100808 Minefield/4.0b4pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows; Windows NT 6.1; ru; rv:2.0b2pre) Gecko/20100719 Minefield/4.0b2pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows; U; Windows NT 6.1; ru; rv:1.9.2.3) Gecko/20100401 Firefox/4.0 (.NET CLR 3.5.30729)

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0b7pre) Gecko/20100921 Firefox/4.0b7pre

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0) Gecko/20100101 Firefox/4.0

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0b10) Gecko/20110126 Firefox/4.0b10

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 6.1; rv:2.0) Gecko/20100101 Firefox/4.0

    Firefox 4 on Windows 7

  • Mozilla/5.0 (Windows NT 5.0; rv:4.0) Gecko/2017410 Firefox/4.0

    Firefox 4 on Windows 2000

  • Mozilla/5.0 (Windows; U; Windows NT 5.0; ru-RU; rv:2.0b8pre) Gecko/20101207 Firefox/4.0b8pre

    Firefox 4 on Windows 2000

  • Mozilla/5.0 (Windows; U; Windows NT 5.0; ru-RU; rv:2.0.1) Gecko/20110428 Firefox/4.0.1

    Firefox 4 on Windows 2000

  • Mozilla/5.0 (Windows NT 5.0; rv:2.0b10) Gecko/20100101 Firefox/4.0b10

    Firefox 4 on Windows 2000

  • Mozilla/5.0 (Windows NT 5.0; rv:2.0) Gecko/20100101 Firefox/4.0

    Firefox 4 on Windows 2000

  • Mozilla/5.0 (Windows NT 5.0; rv:2.0.1) Gecko/20100101 Firefox/4.0.1

    Firefox 4 on Windows 2000

  • Mozilla/5.0 (Windows NT; Windows NT 10.0; en-US) Gecko/20100401 Firefox/4.0

    Firefox 4 on Windows 10

  • Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.110 Safari/537.36, Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:2.0b13pre) Gecko/20110307 Firefox/4.0b13pre

    Firefox 4 on Windows 10

  • Mozilla/5.0 (PPC; rv:4.0) Gecko/2000912 Firefox/4.0

    Firefox 4 on Mac

  • Mozilla/5.0 (PPC; rv:4.0) Gecko/2000727 Firefox/4.0

    Firefox 4 on Mac

  • Mozilla/5.0 (PPC; rv:4.0) Gecko/200956 Firefox/4.0

    Firefox 4 on Mac

  • Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0.1) Gecko/20100101 Firefox/4.0.1 DiigoBrowser

    Firefox 4 on Mac 10

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