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 I9300XXUGOF1 PDA version and I9300OXXGOF1 CSC code. This is a dedicated I9300XXUGOF1 bootloader type and 1430065951 CRC software. Android Jelly Bean 4.1.1 comes with Android Security Patch Level. Please also make sure if the 2836504 changelist and 15/06/2015 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 TPH OPEN software from Portugal, simply tap on the download button. Size of all flash files posted is 938.95 MB.
This firmware also works for: