UPDATE: Guide here for those of you who want to install leaked Android 4.4.2 XXUFNA5 for your Galaxy S4 LTE.
It seems that the Samsung Galaxy S4 I9505 Android 4.4.2 update is right around the corner, because, soon after Samsung rolled out the Android 4.4.2 KitKat update for the Galaxy Note 3 LTE, a new 4.4.2 test build for Galaxy S4 has it the web. Therefore, if you want to install Android 4.4.2 on your Samsung Galaxy S4 you can use this test build, but be aware as this isn’t not the final build and it looks like it needs a little more work.
It was previously reported that the South Korean company will push the Android 4.4.2 KitKat update to the Samsung Galaxy S4 user in the February – March time frame. The folks at Sammobile tested the firmware for “a few days” and they claim that the new leaked build is much more stable than the previous leaked firmware. Among others, the new firmware will bring bug fixes, speed improvements, and a fix for the multi-tasking bug that was affecting the previous leaked build.
It’s also worth mentioning that the new Android 4.4.2 test firmware is labeled I9505XXUFNA5.
Besides other improvements, the Samsung Galaxy S4 Android 4.4.2 KitKat update will change the style of the status bar icons, changing them from the Gingerbread-green to white KitKat, which look pretty neat on the transparent status bar. The Android 4.4.2 I9505XXUFNA5 build will improve your Galaxy S4′s performance which can be also noticed in the increased benchmark scores.
If you previously flashed ROMs on your Galaxy S4, you know the drill: download the update files here, connect your Galaxy S4 I9505 to the PC using the USB cable, launch ODIN, and flash the firmware on your device. A guide that will teach you how to flash Android 4.4.2 I9505XXUFNA5 on your Samsung Galaxy S4 I9505 will be posted in the How To section of our website soon, so we’re advising you to stick with us.