The Samsung Galaxy S7 features a 5.1-inch Quad HD Super AMOLED screen, Qualcomm's most powerful Snapdragon 820 system chip under the hood and a brand new 12-megapixel camera with low light superpowers. All of that runs on a new edition of TouchWiz on top of Android 6 Marshmallow. And yes, the microSD card slot is back: you can use a card of up to 200GB onf the S7. The Galaxy S7 also has a very large, 3000mAh battery and it adds IP68 water resistance.
Method to recover photos from samsung s7
Samsung Data Recovery supports not only photos but also other kinds of files; while Samsung Data Recovery is specialized in recovering deleted text messages on Android. The two programs work on most Samsung smartphones such as Galaxy s7 and samsung s8.
More info;Recover lost data from samsung s7