For quite some time now, the LTE variant of the Samsung Galaxy S4 Mini already received the KitKat update. Fortunately, for those with the international 3G variant, XXUCNG1 Android 4.4.2 KitKat is now available. The XXUCNG1 Android 4.4.2 KitKat update offers a different kind of experience including performance enhancements and all new TouchWiz UI. The fimware is only available to a number of regions. People can either update through the Over-the-Air or OTA release or through Samsung KIES.
For those who have not received the update yet, they always have the option to update manually. According to Team Android, details of the firmware update include:
Model name: GALAXY S4 mini
Version: Android 4.4.2
Build date: Thu, 03 Jul 2014 03:51:09 +0000
Product Code: SER
Prior to installation of the update, it is best to people to back up all of your files and settings. They should also install a recovery tool like ClockworkMod Recovery. Prepare a backup of the current Android version and charge the device at least 80%.
To start installation, download the Android 4.4.2 I9190XXUCNG1 for Galaxy S4 Mini package to the computer. Users should also download ODIN v3.09. Turn the device off and switch to recovery mode (press Home, Power and Volume down buttons). Access Odin in the computer. Connect the device and transfer the zip files. Wait for the ID:COM boxes to become yellow and show the COM port number. Transfer the files to be flashed and installed. Under ODIN, click on Auto Reboot and F. Reset Time options. Press Start and wait for the installation to proceed. The phone will restart following installation. Wait for it to finish.
Disclaimer: Providers of the update cannot be held responsible for what happens to the device following installation. Users can update at their own risk.