Samsung GALAXY S7 EDGE User Manual page 169

2. Tap the picture you want to rotate.
3. Tap More options > Rotate left or Rotate right.
The picture is rotated and saved to the phone.
Crop a Picture
Use the editing tools to crop your pictures.
1. From home, tap Apps
The Gallery app opens.
2. Tap the picture you want to crop.
Apps and Entertainment
> Gallery .
Camera and Video 158