G730AUCUBNG3 Android 4.4.2 KitKat Firmware for AT&T Galaxy S3 Mini SM-G730A - How to Install

G730AUCUBNG3 Android 4.4.2 KitKat Firmware Last Updated on 17-Sep-2014. AT&T Samsung Galaxy S3 Mini SM-G730A users can now update their Smartphone with the latest UCUBNG3 Android 4.4.2 KitKat official firmware. Samsung recently started rolling out an OTA update about the firmware. The latest firmware build version number is G730AUCUBNG3. The Smartphone receiving Android 4.2.2 Jelly Bean from a