Apple has unveiled its first ever foldable iPhone, named the iPhone Duo. The device will be offered in two color options: Stellar White and Night Sky. Pre-orders for the highly anticipated smartphone begin this Friday, October 16th. Consumers will be able to purchase the iPhone Duo starting Friday, October 23rd. Details regarding pricing and specifications beyond color options were not immediately released. The launch marks a significant step for Apple into the growing foldable phone market. It's expected to be one of the key product releases from Apple this year.