Most versions are capped at the August 1, 2018 security patch, even for later maintenance builds.
A full flash file typically averages around 1.23GB . Critical Firmware Components Samsung SM-J210F Firmware
The official firmware for this model is typically tailored to specific regions (CSC codes) such as (India), BNG (Bangladesh), NPL (Nepal), and SLK (Sri Lanka). Operating System: Android 6.0.1 (Marshmallow). Most versions are capped at the August 1,