If you find that your shots are coming out a little blurry, try these tips.
Hold the phone so that your fingers aren't blocking the camera lenses and flash.
Make sure that the camera lenses and flash are clean and without fingerprints.
Use a soft, clean, microfiber cloth to wipe them.
When taking a photo, focus on your subject by tapping the screen.
Make sure you're not moving the camera when taking a photo, especially in low light conditions.