The iPhone 16 lineup, expected to be released in September 2024, brings several notable upgrades and new features.

1. Design and Display: The iPhone 16 Pro models will feature slightly larger displays, with the iPhone 16 Pro having a 6.3-inch screen and the iPhone 16 Pro Max boasting a 6.9-inch screen. Both will use micro-lens array (MLA) OLED technology for improved brightness and reduced power consumption, potentially making them the brightest iPhone displays yet​ (MacRumors)​​ (TechRadar)​. The bezels are expected to be slimmer due to new Border Reduction Structure (BRS) technology​ (MacRumors)​.
2. Camera Enhancements: Significant camera upgrades are anticipated. The iPhone 16 Pro models will include a 48MP ultra-wide camera, a major improvement from the previous 12MP camera, and a new tetraprism telephoto lens with 5x optical zoom​ (9to5Mac)​​ (PhoneArena)​. There will also be new AI tools for realistic image editing and a special anti-glare coating to enhance low-light photography​ (AppleInsider)​.
3. Buttons: A new “Capture Button” will be introduced across all iPhone 16 models. This button, designed to improve camera functionality, will allow users to focus, zoom, and take photos with varying pressure levels, emulating a digital camera shutter button​ (TechRadar)​​ (MacRumors)​.
4. Battery and Thermal Management: The iPhone 16 Pro will feature a new metal shell for its battery to improve heat dissipation and potentially enhance battery life and performance​ (9to5Mac)​. Rumors also suggest the adoption of a graphene thermal system for better thermal management​ (9to5Mac)​.
5. Connectivity and Storage: The iPhone 16 lineup is expected to support Wi-Fi 7 for faster data transfer speeds. Storage options for the Pro models might include up to 2TB, with a baseline of 256GB and 8GB of RAM​ (PhoneArena)​.
6. Color Options: The iPhone 16 Pro will be available in new colors, including Space Black, White, Gray (or Natural Titanium), and a new Rose color, replacing the previous Titanium Blue​ (MacRumors)​.

Overall, the iPhone 16 series promises to deliver several advancements in display technology, camera systems, and connectivity, alongside new design tweaks and button functionalities.