Here you can download Samsung Galaxy Grand 2 SM-A710K firmware flash file stock ROM. It is an original SM-A710K firmware (stock ROM) and does not void the warranty of Samsung device.
|Region / Country||Version||OS||Build||Changelist||Link|
|KTC / South Korea||A710KKKU1CQG1||7.0||07.07.2017||11811195||Download|
Note: if firmware for your country is not available you can install any firmware from the given list. Except those which comes with their carrier name.