The software is Android 4.2.2 and there's some other functions which the Galaxy S4 brought to the world planted in this new test firmware too! You can see the new features being shown off in the video embedded below this post.
We can tell you that the test firmware has new features such as Android 4.2.2, a new lockscreen with updated ripple effects, driving and daydream modes, actionable notifications and other enhancements to the notification centre. Other things such as the revamped Settings UI and voice controls of some parts of the UI, a new S Voice, are all supposedly in the works too!
Check out the video below to see what's being shown off here and then let us know if you're excited for this update to land on your device in the comments below!
Via SamMobile.