Apple (AAPL +0.99%) is struggling to keep its lead in smartphones as competition -- particularly Samsung and its Google-powered (GOOG 2.64%) Android operating system -- continues to bring the heat. In the video below, Fool contributor Daniel Sparks explains how competition has weighed on Apple shares, and why the company needs a successful iPhone 5S for the stock to have any hope of reviving itself.
What does Apple have in store to make the 5S a hit? Daniel outlines two potential differentiators.
