Check if the firmware you want to use is the right one for your SAMSUNG I9300 Galaxy S III. The table below contain all the useful information you might need for your software. The firmware posted here was designed for GALAXY S ? for I9300UBUGNL1 PDA version and I9300ZTOUGNK2 CSC code. This is a dedicated I9300UBUGNL1 bootloader type and 4089595700 CRC software. Android Jelly Bean 4.3 comes with Android Security Patch Level. Please also make sure if the 2812098 changelist and 16/12/2014 build date are correct for SAMSUNG I9300 Galaxy S III.
If the specification posted for the software is correct and you want to use the ZTO OPEN software from Brazil, simply tap on the download button. Size of all flash files posted is 975.05 MB.
This firmware also works for: