We’re almost a year away from the September 2023 launch of the new iPhone 15 models, but we’ve been hearing rumors for months. It looks like the iPhone 15 models could get a more significant update than the iPhone 14 we’ve seen, including features that many iPhone owners have wanted over the years.
We’ve rounded up some of the best features of the iPhone 15 we’ve heard so far so readers know what to expect.
USB-C Port
2023 is expected to mark the end of the Lightning port for the iPhone, and Apple will transition to USB-C. This means you can use the same connector to charge modern Macs, iPads and iPhones.
Apple didn’t switch to USB-C entirely to make your life easier, but because the EU asked it to change. By 2024, iPhones sold in Europe will need to have USB-C ports, so Apple will either need to make design changes globally or make special iPhones for Europe.
Apple has confirmed that it will comply with local regulations, and there are rumors that Apple will make changes in 2023.
Solid State Volume and Power Buttons
Apple analyst Ming-Chi Kuo recently suggested that instead of physical buttons, Apple could add solid-state volume and power buttons to the iPhone 15, similar to the trackpad on the Mac and the iPhone 7’s Home button. Haptic feedback will mimic the feel of a button press on a physical button, replacing mechanical button presses.
Using solid-state buttons may prevent water ingress and allow Apple to provide better water resistance. Using haptic feedback for buttons requires Apple to add a new haptic engine.
Dynamic Island for All Models
Apple introduced Dynamic Island for the iPhone 14 Pro and Pro Max, while cheaper iPhone 14 models continue to use a notch. With the iPhone 15, the entire lineup is expected to get the Dynamic Island, so if you want access to the Dynamic Island but don’t want to spend the money on a ProiPhone, wait for the iPhone 15.
Same Sizes
We haven’t heard rumors about notable design changes for the iPhone 15 lineup as of yet, so it’s looking like we’re going to get the same sizes. The iPhone 15 and 15 Pro will measure in at 6.1 inches, and the iPhone 15 Plus and Pro Max will be 6.7 inches.
Periscope Lens Technology
We’ve been hearing about Apple’s work on periscope lens technology for years, and 2023 could be the year it launches. Some Android smartphone makers are already using periscope lenses, which have optical zoom capabilities beyond the zoom range of standard telephoto lenses.
With the periscope lens, Apple can offer 5x or even 10x optical zoom, compared to 3x on the current iPhone 14 Pro model.
A Name Change?
Bloomberg’s Mark Gurman has said that Apple may replace the “Pro Max” version of the “iPhone 15” with a new high-end “Ultra” model. That’s in line with the Apple Watch Ultra, which could give Apple reason to limit certain features to the highest-end iPhones, like periscope lens technology.
Apple analyst Ming-Chi Kuo has said that periscope lenses may be limited to the largest iPhones.
3-Nanometer A17 Chip
The iPhone 15 Pro models could be the first to feature 3-nanometer chips from Apple supplier TSMC. 3nm chip technology is expected to increase processing performance by 10% to 15%, while also reducing power consumption by up to 30%.
If Apple does use the 3nm A17 chip, it will be a significant improvement over the A16. Only the Pro model gets the A16 based on the 4nm process, while the A17 is also expected to be limited to the iPhone 15 Pro. Standard iPhone 15 models may be upgraded to the previous-generation A16.
More RAM
The iPhone 15 Pro models could get 8GB RAM, up from 6GB, perhaps to support new capabilities like periscope lens technology.
For more on the iPhone 15, be sure to follow our iPhone 15 roundup, which is regularly updated with all the rumours we hear.
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Hazel Yu 
Cindy Chen