Check if the firmware you want to use is the right one for your SAMSUNG I257 Galaxy S4 mini. The table below contain all the useful information you might need for your software. The firmware posted here was designed for GALAXY S4 mini for I9190UBSCQA1 PDA version and I9190UUBCOF1 CSC code. This is a dedicated I9190UBSCQA1 bootloader type and 1840768844 CRC software. Android KitKat 4.4.2 comes with N/A Android Security Patch Level. Please also make sure if the 5022034 changelist and 23/01/2017 build date are correct for SAMSUNG I257 Galaxy S4 mini.
If the specification posted for the software is correct and you want to use the EON OPEN software from Ecuador, simply tap on the download button. Size of all flash files posted is 879.7 MB.
This firmware also works for: