Supplies: Phone, Q-tip, Anti-static cleaning cloth, compressed can of air.
Step 1: Spray the compressed air on the overall phone and ending with majority of focus on the camera lens.
Step 2: Cover the Q-tip with the anti-static cloth and use the end to clean of any remaining dust or other junk on it.
Step 3: Repeat spray the compressed air on the camera lens, for added satisfaction!
Step 4: Take a picture and marvel at its beauty!
For a quick and dirty approach just use a Q-tip. Although don’t rely on this method too much, fibers from Q-tip may be left behind or possibly scuff the glass.
Refer to this Youtube video: http://www.youtube.com/watch?v=AjyFvecum6I