Samsung Galaxy S4 users who are interested to install Android 4.4.2 KitKat update on their smartphone can already do so.
According to International Business Times, a test firmware based on Android 4.4.2 KitKat update is now available for Samsung Galaxy S4 LTE. Reportedly, SamMobile leaked the firmware I9505XXUFNA5 for Samsung Galaxy S4 with Snapdragon 600 processor.

Particularly, the test firmware based on Android 4.4.2 KitKat update is compatible with the LTE version of the Samsung Galaxy S4, which bears the model number GT-I9505. The post further reads, "The leaked firmware has been reportedly tested for superior functionality over its previous test build I9505XXUFNA1."

Users of Samsung Galaxy S4 LTE who decide to install the new test firmware based on Android 4.4.2 KitKat update can expect bug-fixe and enhanced performance over the previous firmware.

For those who cannot wait to have the official Android 4.4.2 KitKat update for Samsung Galaxy S4 can opt to install the test firmware via manual process using the ODIN flash tool. To learn more about the step-by-step process and to have access with the download links for the necessary files, Samsung Galaxy S4 LTE users can visit this IB Times post.

Since it is still a test firmware, Samsung Galaxy S4 users who will install XXUFNA5 are advised to proceed at their own risk. Moreover, before proceeding to install Android 4.4.2 KitKat update on Samsung Galaxy S4 LTE, make sure to verify first the model number of your device. Go to Settings> About Phone> Model Number to see if it is the GT-I9505 unit.

The battery level should be 80 percent or higher before installing Android 4.4.2 KitKat update on Samsung Galaxy S4 LTE to prevent power interruption issues during the process. Also, make sure that that the appropriate USB drivers for Samsung Galaxy S4 LTE are installed on your computer so there will not be a problem when connecting your Android device to the PC.