Firefox
org.mozilla.firefox
Will Firefox still install after September 30, 2026?
Enforcement starts in
Developer verification status for Firefox
- Usually installed from
- mozilla.org
- Category
- Browsers
- Enforcement date
- 30 Sep 2026
What this means for Firefox
The developer of Firefox has registered this package name with Google. On certified Android phones, Firefox keeps installing and updating normally — including from mozilla.org.
How to keep using Firefox
Already installed? Firefox keeps running. The block applies to new installs and updates.
Start the advanced flow now (it takes 24 hours): see the step-by-step guide.
Installing from a store app (mozilla.org)? The store itself must also be allowed — check it too.
Developer of Firefox? Registration costs $25 (free for hobby apps limited to 20 devices).
FAQ
Will Firefox stop working on September 30, 2026?
No. Already-installed apps keep running. What changes is installing and updating: if Firefox is from an unregistered developer, certified phones in Brazil, Indonesia, Singapore and Thailand will block normal installs and updates.
Is Firefox affected outside Brazil, Indonesia, Singapore and Thailand?
Not yet. Google plans a global rollout in 2027, so checking now helps you prepare.
How can I still install Firefox if it is not verified?
Enable “Allow apps from unverified developers” in Developer options (24-hour wait), or install it from a computer with ADB.
Other browsers
Start the 24-hour clock today
The advanced flow takes a full day to unlock. Do it before you need it.
Step-by-step: install apps from unverified developers