Check if the firmware you want to use is the right one for your SAMSUNG Galaxy J4 (2018). The table below contain all the useful information you might need for your software. The firmware posted here was designed for Galaxy J4 for J400FXXU4BSJ3 PDA version and J400FOLM4BSJ3 CSC code. This is a dedicated J400FXXU4BSJ3 bootloader type and 3211861685 CRC software. Android Oreo 9 comes with Android Security Patch Level. Please also make sure if the 16827271 changelist and 23/10/2019 build date are correct for SAMSUNG Galaxy J4 (2018).
If the specification posted for the software is correct and you want to use the MYM OPEN software from Thailand, simply tap on the download button. Size of all flash files posted is 2.45 GB.