For more information, please visit the following pages:

• Firefox
• Mozilla Foundation
• Gecko

Latest user agents (if you are looking for complete list, download it here):

• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/28765177 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/16160786 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/26904670 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/17434226 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/16100471 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/11652768 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/27667663 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/23854055 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/11737895 Firefox/138.0 [ip:5.90.219.125]
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/22547485 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/26720532 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/11225963 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/17098201 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/17644592 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/11296779 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/24607017 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/16606305 Firefox/138.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0/d98qZN10nEw
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/20065312 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/26158391 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/20556314 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/12127689 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/13109688 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/22878229 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/14960896 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/13208810 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/12156527 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/19560474 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/26521371 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/16409459 Firefox/138.0 [ip:151.38.115.72]
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/13852063 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/12981245 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/25024173 Firefox/138.0 [ip:151.43.230.114]
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/25024173 Firefox/138.0 [ip:151.47.240.162]
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/21286828 Firefox/138.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0/JkCmWycbwITC
• Mozilla/5.0 (Windows NT 6.3; WOW64; x64; rv:138.0esr) Gecko/20100101 Firefox/138.0esr
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/16841527 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/25903415 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/25096399 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/26547453 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/22568539 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/22103457 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/11354409 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/19351709 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/20509224 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/18463026 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/24423765 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/13848448 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/10346023 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/27227509 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/16981730 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/18404947 Firefox/138.0 [ip:151.57.255.114]
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/20837117 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/15551505 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/19336615 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/26862514 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/21832340 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/10790503 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/23488083 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/19433853 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/25547087 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/22190345 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/27297044 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/19447379 Firefox/138.0 [ip:31.17.255.217]
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/25904115 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/27874281 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/17554074 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/19085862 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/15516426 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/21177779 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/27958028 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/16164053 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/21220081 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/28636652 Firefox/138.0
• Mozilla/5.0 (Android 10; Mobile; rv:138.0) Gecko/17104745 Firefox/138.0 [ip:78.210.24.47]
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/22121483 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/16267767 Firefox/138.0
• Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:138.0) Gecko/20100101 Firefox/138.0/IIZ3DjAFV
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/25277049 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/16547025 Firefox/138.0 [ip:5.90.219.8]
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/13875402 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/17576190 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/10172106 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/25760522 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/21026252 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/29481369 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/25834396 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/17082749 Firefox/138.0
• Mozilla/5.0 (Android 12; Mobile; rv:138.0) Gecko/17229756 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/29399426 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/25242907 Firefox/138.0
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/18977419 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/19966245 Firefox/138.0 [ip:151.50.198.177]
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/17163419 Firefox/138.0 [ip:83.225.3.251]
• Mozilla/5.0 (Android 11; Mobile; rv:138.0) Gecko/27518954 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/28401858 Firefox/138.0 [ip:5.90.208.14]
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/14742119 Firefox/138.0
• Mozilla/5.0 (Android 13; Mobile; rv:138.0) Gecko/20683794 Firefox/138.0
• Mozilla/5.0 (Android 14; Mobile; rv:138.0) Gecko/14909519 Firefox/138.0 [ip:109.181.147.210]