Samsung Galaxy J7 has a 5.5-Inch full HD AMOLED display. Included are the basic features such as the octal-core ExoLens chipset, 2 GB of RAM & 16 GB of internal storage that can be expanded using a microSD card. The handset has a 8MP rear camera with LED flash and a 5MP front-facing camera. Operates on Android 7.0 nougat.Incase of screen freezing press power to reboot the phone or Hard Reset the phone by Going to Settings > Backup and reset > Factory data reset: Reset settings to the factory default values and delete all data.
Android 7.0 nougat operating system
16 GB Internal memory and expandable using a Micro SD card
5.5″ full HD AMOLED display
8MP rear Camera with LED flash and a 5MP front-facing Camera
Standby Time – Up to: 12 days