CUPERTINO, Calif.--(BUSINESS WIRE)--Apple® today announced iPhone® 6s and iPhone 6s Plus, the most advanced iPhones ever, will be available at 8:00 a.m. local time on Friday, September 25 at Apple’s retail stores. Stores will have the new iPhones available for walk-in customers who are encouraged to arrive early.1 Both models will also be available on Friday from AT&T, Sprint, T-Mobile, Verizon Wireless, additional carriers and select Apple Authorized Resellers. Apple also announced the fas