Internal storage capacity on the Galaxy J7 (2017) include 16GB which can further be expanded using a microSD card which helps users to install apps and other personal files.
For imaging, there is a 13-megapixel rear camera which is aided with an LED flash to help you shoot images in the dark. On the front, the device sports a 13-megapxiel front-facing shooter as well.
Method to
Recover Deleted Photos from samsung galaxy j7:
You can use dr.fone toolkit - Samsung Data Recovery to recover deleted photos. It is the world's 1st data recovery software for Android smartphones and tablets. So almost all Android devices can use it, such as Samsung, HUAWEI, LG, SONY, ZTE, etc.. Also, you can use it to restore deleted contacts, photos, music, video, text messages, call history and other documents.
More info:
Recover Deleted Data from Samsung Galaxy J1/J2/J3/J5/J7