Generally, it is better to sharpen a blurry image rather than to reduce the sharpness in an image.
If you are using the default settings and the photo still appears too dark, switch to Night scene, but place
HTC One M9 on a level surface to keep it steady.
If there are parts of the image that are in shadows and others are in highlights, use HDR to capture multiple shots of different exposures and combine them into one shot. Keep
HTC One M9 steady or place it on a level surface when using HDR.
If taking photos under fluorescent or incandescent bulbs and the subject appears to be off-color, tap , and then choose a white balance setting. Check the image on the Viewfinder and select the option that displays the closest color to the natural color of the subject.