THIS j7 plus is a very good phone it has dual selfie camera and front dual camera and 16gb of internal storage and the power on off button right side and the left the volume button and up button will increase the volume and the the down button will decrease the volume on the top of the phone the charging sloter and head phone sloter and this phone has dual sim and 1 sd card sloter and it has fingerprint scanner on the home key this phone backups and backkey