Mozilla never released a version for these platforms. They cited the inability to use their native Gecko engine as the primary reason for stopping development.
Modern Firefox development is strictly focused on Android , iOS , and Desktop (Windows 10/11, macOS, Linux). 2. Best Browser Alternatives for Windows Mobile download firefox for windows mobile
An early "Fennec" alpha version once existed for legacy Windows Mobile devices but is no longer functional or secure. Mozilla never released a version for these platforms
Mozilla does not provide a version of Firefox for any Windows-based mobile operating system. Official support for (Windows Phone 8
Official support for (Windows Phone 8.1 and Windows 10 Mobile) does not currently exist. Mozilla officially halted development for these platforms in 2010 due to technical limitations and closed ecosystem policies.
While you cannot download a native Firefox app for these devices, this guide covers the current state of the platform and available alternatives. 1. The Official Status of Firefox for Windows Mobile
Since a native Firefox download is unavailable, users on Windows 10 Mobile typically rely on these alternatives: Mozilla Supporthttps://support.mozilla.org Why are you not developing for windows phone 8.1 yet?