Check if the firmware you want to use is the right one for your SAMSUNG I9505 Galaxy S4. The table below contain all the useful information you might need for your software. The firmware posted here was designed for GALAXY S4 for I337MUMUFNI2 PDA version and I337MPCTFNI2 CSC code. This is a dedicated I337MUMUFNI2 bootloader type and 2655516104 CRC software. Android KitKat 4.4.2 comes with Android Security Patch Level. Please also make sure if the 2784690 changelist and 15/09/2014 build date are correct for SAMSUNG I9505 Galaxy S4.
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 1.5 GB.
This firmware also works for: