In fact we have several drawback with Samsung’s Stock OS on Galaxy J7,
as they loaded 32 bit OS in the 64 bit chipset( Samsung Xynos 7580)
and the processor we are having is Arm based Cortex A53 processor which is version 8 that means 64 Bit, but can work on 32-bit and 64-bit code.
Means J7 running in 32 bit mode only while can handle x64 mode too.
Why samsung doing this to us!