Check if the firmware you want to use is the right one for your SAMSUNG I537 Galaxy S4 Active. The table below contain all the useful information you might need for your software. The firmware posted here was designed for GALAXY S4 for I9515XXU1BPK3 PDA version and I9515YXY1BPK2 CSC code. This is a dedicated I9515XXU1BPK3 bootloader type and 4243322480 CRC software. Android Lollipop 5.0.1 comes with Android Security Patch Level. Please also make sure if the changelist and 11/11/2016 build date are correct for SAMSUNG I537 Galaxy S4 Active.
If the specification posted for the software is correct and you want to use the DBT OPEN software from Germany, simply tap on the download button. Size of all flash files posted is 1.48 GB.
This firmware also works for: