Check if the firmware you want to use is the right one for your SAMSUNG I747 Galaxy S III. The table below contain all the useful information you might need for your software. The firmware posted here was designed for SGH-I747M for I747MUMBLL1 PDA version and I747MPCTBLL1 CSC code. This is a dedicated I747MUMBLL1 bootloader type and 1782929788 CRC software. Android Jelly Bean 4.1.1 comes with Android Security Patch Level. Please also make sure if the 688429 changelist and build date are correct for SAMSUNG I747 Galaxy S III.
If the specification posted for the software is correct and you want to use the PCT OPEN software from Puerto Rico, simply tap on the download button. Size of all flash files posted is 697.81 MB.