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 12; Mobile; rv:137.0) Gecko/27932709 Firefox/137.0
• Mozilla/5.0 (Android 17; Mobile; rv:137.0) Gecko/137.0 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/24535007 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/21767715 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/28774693 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/17271732 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/24807114 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/23111476 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/15799053 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/17209105 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/16221450 Firefox/137.0 [ip:87.2.107.199]
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/22446854 Firefox/137.0 [ip:104.167.31.42]
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/22244708 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/24860520 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/22812886 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/26598261 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/24649702 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/18321390 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/16262548 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/29687992 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/14919469 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/18424401 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/27276132 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/22018410 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/12835824 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/19114943 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/15380937 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/21924516 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/26269272 Firefox/137.0 [ip:93.45.183.181]
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/27752399 Firefox/137.0 [ip:109.81.11.102]
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/17947133 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/16635200 Firefox/137.0 [ip:78.212.58.190]
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/28378215 Firefox/137.0 [ip:78.212.58.190]
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/17452052 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/16241020 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/10654207 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/15236550 Firefox/137.0 [ip:151.36.183.177]
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/28313317 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/10369000 Firefox/137.0 [ip:87.14.141.203]
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/22975873 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/12265946 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/12628851 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/28031791 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/18677672 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/11090065 Firefox/137.0 [ip:193.207.238.235]
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/11858500 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/11860946 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/10054831 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/29874643 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/27066224 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/23949837 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/19604959 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/14802351 Firefox/137.0 [ip:83.225.13.98]
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/25224512 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/20299963 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/22195347 Firefox/137.0 [ip:62.240.135.30]
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/25665010 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/26779426 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/13726045 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/13094817 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/28799007 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/24670698 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/26626290 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/16895264 Firefox/137.0 [ip:78.159.203.88]
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/21766966 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/18360052 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/19574654 Firefox/137.0 [ip:151.46.38.28]
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/18585656 Firefox/137.0 [ip:151.35.115.63]
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/29375862 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/20076800 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/11229272 Firefox/137.0 [ip:5.91.117.89]
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/20047497 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/20505303 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/27082247 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/13170094 Firefox/137.0 [ip:193.207.133.196]
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/14345145 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/20612386 Firefox/137.0 [ip:185.38.254.227]
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/29616709 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/26154780 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/28404397 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/29965810 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/19973799 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/20612182 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/20734319 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/24765791 Firefox/137.0
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/23846625 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/26968225 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/14863950 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/27480232 Firefox/137.0
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/18528478 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/19984726 Firefox/137.0 [ip:83.225.8.1]
• Mozilla/5.0 (Android 11; Mobile; rv:137.0) Gecko/18308538 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/24077174 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/19120205 Firefox/137.0
• Mozilla/5.0 (Android 10; Mobile; rv:137.0) Gecko/29268906 Firefox/137.0 [ip:37.182.177.156]
• Mozilla/5.0 (Android 12; Mobile; rv:137.0) Gecko/10808392 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/25485305 Firefox/137.0 [ip:5.90.219.11]
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/17152632 Firefox/137.0
• Mozilla/5.0 (Android 13; Mobile; rv:137.0) Gecko/22967145 Firefox/137.0
• Mozilla/5.0 (Android 14; Mobile; rv:137.0) Gecko/27639183 Firefox/137.0