You can use the photo editor to rotate, crop, apply filters to, and adjust the brightness, contrast, and exposure of photos.  

Access and use the photo editor:

1. Open the Gallery and select the photo you want to edit.

2. Go to Options and select Edit.

3. Choose how you want to edit.

4. Press Save. 

The new version of the photo will be saved to the Gallery. The original photo will not be deleted.