This year Samsung released security patches for its various devices including one of the most used the J-series devices. And now Samsung Galaxy J3, J5 and J7 (2017) are be able to get January 2018 security patch.
The update also includes 93 fixes for Google’s Android operating system itself and, with 13 other improvements for Samsung’s own OS.
For the Galaxy J7 (2017) a 330MB big update is ready with firmware version J730FXXU2ARA3. The J5 (2017) gets firmware version J530FXXU2ARA2, while the J3 (2017) goes to firmware version J330FXXU3ARA3. In all three cases, the update brings improved stability, performance and features.