BGR reported that Best Buy and Best Buy Mobile stores are anticipating taking preorders for the iPhone 5 starting in the first week of October. This information wasfound in a leaked document from a Best Buy source. This document also noted that Sprint will be carrying the iPhone 5 at launch.

BGR “clarified that it is actually possible presales will be starting this week with the phone arriving in the first week of October, not preorders starting in October.”

Source [BGR]