Apple has officially opened general sales for its flagship iPhone 18 Pro and iPhone 18 Pro Max. Following early pre-orders that began on September 12, retail stores, authorized distributors, and quick-commerce partners across major global metros—including New Delhi, London, Tokyo, and New York—began fulfilling orders and accommodating walk-in buyers. Crucially, initial supply units are being backed by accelerated assembly operations in India handled by manufacturing partners Foxconn and Tata Electronics, marking the first time Pro-tier iPhones made in India are available internationally on day one.Apple officially commenced retail sales for the flagship iPhone 18 Pro and iPhone 18 Pro Max across international markets, drawing massive crowds to flagship stores and online fulfillment portals. Powered by the next-generation 2-nanometer A20 Pro system-on-chip, the newly released devices feature enhanced camera systems with mechanical variable aperture controls and upgraded satellite connectivity protocols. Simultaneously, the tech giant addressed widespread market speculation regarding its first flexible-display handset, officially designated as the iPhone Duo. Apple confirmed that while the core iPhone 18 lineup hits physical shelves, the luxury foldable iPhone Duo will follow a staggered distribution timeline, opening pre-orders on October 16 prior to reaching retail outlets on October 23. Engineered with a high-durability titanium hinge and dual spatial OLED panels, the foldable device carries a premium price point reaching up to ₹4,49,900 for top-tier storage configurations. Consumer technology analysts note that Apple's decision to stagger release dates allows supply chains to manage high initial demand while establishing a distinct market category for ultra-premium flexible smartphones. A20 Pro Chip and Variable Aperture Optics Lead UpgradesThe iPhone 18 Pro lineup introduces significant silicon and optical advancements. Powering the devices is Apple's A20 Pro processor, built on a 2nm architecture with a 6-core CPU, 7-core GPU, and an upgraded vapor chamber for sustained thermal management during intensive AI workloads. On the camera front, both Pro models feature an upgraded 48-megapixel main Fusion sensor incorporating a mechanical variable aperture ($f/1.48$ to $f/4.0$), complemented by a 48-megapixel Ultra Wide lens and a 48-megapixel Fusion Telephoto sensor.Anticipation Builds for Foldable iPhone Duo Pre-OrdersWhile high-volume sales for the Pro series drive immediate quarter revenues, market attention is rapidly converging on the upcoming launch of Apple's first foldable smartphone, the iPhone Duo. Announced alongside the AirPods 5 and Apple Watch Series 12, the iPhone Duo features a flexible 7.6-inch inner Super Retina XDR screen paired with a 5.4-inch cover screen. Pre-orders for the premium dual-screen device are set to go live globally on October 16, with commercial shipments and in-store pickup scheduled to start on October 23.