Those with Samsung Galaxy S4 LTE with model number GT-I9505 can now install the recently released official Android 4.3 Jelly Bean update. The firmware, according to International Business Times, is a bug-fix update for Android 4.3 Jelly Bean. This performance patch for the Android 4.3 Jelly Bean is expected to arrive for quite some time already. The update brings in a stability fix for the Samsung Galaxy S4 LTE-variant users. The official Android 4.3 Jelly Bean update for Samsung Galaxy S4 GT-I9505 is available now via Samsung KIES download. The Over-the-Air update is anticipated to be available in the coming days. Furthermore, those who wish to install the official bug-fix update for Samsung Galaxy S4 LTE can do so via the manual process. Take note that it is not recommended installing software update via manual installation process, thus, Samsung Galaxy S4 LTE owners are advised to proceed at their own risk. Make sure to follow the comprehensive instructions provided on this IB Times post to successfully install official Android 4.3 Jelly Bean update. Before installing the official Android 4.3 Jelly Bean update via the manual process, some conditions should be met first and they are provided below: Create a backup of the relevant data stored on your Samsung Galaxy S4 LTE. Install the appropriate USB drivers for the Samsung Galaxy S4 LTE on the computer to easily connect your Android device with it. The device should be factory unlocked. The Samsung Galaxy S4 LTE's battery level should at least be 80% before installing the official Android 4.3 Jelly Bean update. Confirm the model number of your Samsung Galaxy S4. The smartphone should be the LTE variant of the Galaxy S4 with model number GT-I9505. Go to Settings> About Phone> Model Number. Remember to be extra careful when installing the official Android 4.3 Jelly Bean update on Samsung Galaxy S4 LTE via the manual process.