Customers who purchased an iPhone from an Apple Store in the U.S. had a 30-day period to try out the phone and return it for any reason. Starting March 13th, this return window is being shortened to 14 calendar days, claims 9to5Mac. According to an internal document provided by one of our retail sources, Apple plans to change its iPhone return policy to just 14 days beginning on March 13th. However the return policy currently published on Apple.com already reflects this change. This change brings Apple's return policy in line with U.S. carriers, which offer a 14-day return period for customers who buy an iPhone from a carrier's website or retail store. Previously,