Camera and Gallery  
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Touch the  thumbnail to read the text in the image, and then touch  to edit the 
image.
Camera and video settings
Setting the photo and video resolutions
Increase the resolution for higher quality images and videos. However, larger resolution 
images take up more space on your phone. Changing the resolution will also change the 
image dimensions.
 
Some shooting modes may not support all resolutions.
Open 
Camera
. Swipe left on the screen and touch 
Resolution
 to change the 
resolution.