Check if the firmware you want to use is the right one for your SAMSUNG T231 Galaxy Tab 4 7.0" 3G. The table below contain all the useful information you might need for your software. The firmware posted here was designed for SM-T231 for T231ZSU0AOD2 PDA version and T231OZS0AOD2 CSC code. This is a dedicated T231ZSU0AOD2 bootloader type and 4180550034 CRC software. Android KitKat 4.4.2 comes with N/A Android Security Patch Level. Please also make sure if the changelist and 20/04/2015 build date are correct for SAMSUNG T231 Galaxy Tab 4 7.0" 3G.
If the specification posted for the software is correct and you want to use the BRI OPEN software from Taiwan, simply tap on the download button. Size of all flash files posted is 1.05 GB.