Mozilla has always aimed to make Firefox available to as many people as possible, including those on older Android devices. For years, we’ve supported versions of Android going all the way back to 5 (Lollipop), which first launched in 2014. That broad support has helped extend the life of many devices. However, the Android ecosystem is constantly evolving and it has become increasingly difficult for us to find ways to maintain and develop apps on these long-unsupported platforms while also allowing Firefox to take advantage of more modern devices and Android operating systems.

Beginning with Firefox 144, the minimum supported Android version will increase to 8.0 (Oreo), which was released in 2017. At the same time, we will end support for 32-bit x86 Android devices. Usage of these older platforms has become increasingly rare, and continuing to support them has made it harder for us to deliver the best performance and reliability to the vast majority of our users.

If your device runs Android 7 or earlier, or if you rely on Firefox for a 32-bit x86 device, Firefox 143 will be the final version available to you. You will still be able to use that version, but it will no longer receive updates once Firefox 144 is released. Please note that 32-bit ARM devices will continue to be supported.

These changes apply not only to Firefox for Android but also to Firefox Focus & Klar, our privacy-first browsers. By narrowing our supported platforms, we can take better advantage of modern Android APIs, improve stability and security, and focus our engineering resources where they will have the greatest impact.

We know some users will be affected by this transition, and we don’t take that lightly. Our goal remains to balance broad accessibility with the ability to deliver the best possible Firefox experience on modern hardware and operating systems.