Firmware update / Stock ROM : Samsung Galaxy J2 SM-J250M to Android 7.1.1 Nougat. The firmware available for downloading https://www.sammobile.com/firmwares/SM-J250M/. You can download your Samsung Galaxy J2 SM-J250M firmware at the page, available for some countries. How to Root for Samsung Galaxy J2 SM-J250M is the separated post, this post only for upgrading to Android • Read More »