Download and Install Galaxy J7 Duo J720FDDU3ARJ3 November 2018 Security Patch
Download / Install Samsung Galaxy J7 Duo J720FDDU3ARJ3 November 2018 Security Patch (OTA Update) || India: This update is only rolling out for Samsung Galaxy J7 Duo
Download / Install Samsung Galaxy J7 Duo J720FDDU3ARJ3 November 2018 Security Patch (OTA Update) || India: This update is only rolling out for Samsung Galaxy J7 Duo