WebSep 24, 2021 · iPhone | SoftBank. Home. iPhone. Product Info. Information on the latest iPhone. You can check the design, color, features, specifications and other details. *Japanese only. Release Date: September 22, 2023. iPhone 15 Pro. Release Date: September 22, 2023. iPhone 15 Pro Max. Release Date: September 22, 2023. iPhone 15.