This mobile phone(samsung galaxy j7 prime) is very good looking and awesome mobile phone and more than smart phone users use this mobile phone. This mobile camera is awesome and unbelievable clearity and same as front camera and this phone size is very comfortable. In this phone internal storage is 16gb and expandable storage is 64gb like him. J7 prime battery backup is awesome like use for internet browsing. This sound quality is beautiful and clear and speaker same as. And highest technology mobile phone and not for hang or any problems.