The public beta of iOS 15 is out and out there to put in for anybody who needs to strive it. Every handset that might run iOS 14 is eligible for the improve—that’s all the pieces again to the iPhone 6s and 6s Plus from September 2015. However, not each suitable iPhone will get each iOS 15 characteristic. Here’s the small print in full.

What it actually comes all the way down to is the quantity of energy your iPhone has below the hood. Certain iOS 15 options require the A12 Bionic chip or one thing extra highly effective, and that chip made its debut within the iPhone XS, the iPhone XS Max, and the iPhone XR in 2018. Not solely did it deliver higher efficiency than the A11 Bionic, it additionally had an improved Neural Engine for AI processing.

There are additionally a few options that solely apply to newer fashions however that aren’t associated to the A12 Bionic processor. If you don’t have an iPhone from 2018 or later, right here’s what you’re going to overlook out on—and why.

FaceTime Enhancements

Portrait Mode: With the introduction of iOS 15, FaceTime goes to be sensible sufficient to blur out the background behind audio system, similar to the Portrait mode within the Camera app. The characteristic will solely be out there on newer iPhone fashions although.

Spatial audio: Older iPhones don’t have the processing capability to create the impact of individuals’s voices coming from completely different instructions both. Apple is promising to create “a sound field that helps conversations flow as easily as they do face to face.”

Apple Maps Features

Augmented actuality strolling instructions: If you’re utilizing an older iPhone, you received’t be capable of use the extra immersive AR view on your strolling instructions, a characteristic Apple Maps is taking inspiration from Google Maps for with the introduction of iOS 15.

Interactive globe: Apple is making Maps extra detailed and immersive, and the enhancements embrace a 3D globe view with enhanced mountains, forests and different options…so long as you’re utilizing an iPhone with at the very least an A12 Bionic processor.

Detailed metropolis experiences: The further element in Apple Maps extends to roads, timber, landmarks, and buildings in cities like San Francisco, Los Angeles, New York, and London—however you’ll want a more recent iPhone to have the ability to see all these enhancements.

Digital Keys

All of the flowery digital key programs that your iPhone can help via iOS 15—from unlocking your automobile to stepping into your lodge room—require {hardware} that was launched with the iPhone XS, so older units are out of luck.

New Camera Tricks

Live Text and Visual Lookup: iOS 15 can establish and course of picture textual content in quite a lot of apps in iOS 15, and likewise do some sensible methods—like telling you the breed of a canine you’ve photographed—however solely with the A12 Bionic processor or one thing newer.

Zoom in QuickTake movies: QuickTake movies are the place you press and maintain the shutter button within the Photo mode within the Camera app. iOS 15 enables you to zoom in or out throughout these movies with a swipe up or down—however you want newer iPhone {hardware} to have the ability to do it.

Better, Faster Siri

On-device Siri processing: Apple says Siri will course of extra actions in your iPhone with iOS 15, bettering velocity and privateness, but when your handset doesn’t have the A12 Bionic or one thing newer, Siri requests will nonetheless get despatched to Apple’s servers for processing.

On-device Siri personalization: Not having the A12 Bionic CPU or one thing newer additionally signifies that Siri can’t calculate and save sure personalizations to your telephone. These personalizations embrace new phrases and subjects that you simply’re fascinated by.

Siri offline help: With the introduction of iOS 15, Siri is ready to do extra in your precise iPhone, with out going surfing—suppose setting alarms, launching apps, adjusting the amount, and so forth. Again although, this received’t apply to iPhones that had been launched earlier than 2018.

On-device dictation: As with the Siri options above, for those who’re on an older iPhone then iOS 15 isn’t going to have the ability to course of dictation in your precise machine. Instead it’s going to get despatched off to the cloud, which signifies that it’ll be a barely much less non-public and slower course of.

A More Dramatic Weather

Sorry, older iPhone homeowners, however you’re not going to get the stylish-looking animated backgrounds within the Weather app launched with iOS 15, which present off the present meteorological circumstances via computer-generated graphics.

Spatial Audio Upgrades

If you’ve received iOS 15, some AirPods Pro or AirPods Max headphones, and a few Dolby Atmos music, you may get the dynamic head-monitoring part of Apple’s Spatial Audio characteristic, however you want at the very least an iPhone 7 handset as nicely for this to be out there.

More Advanced Health-Tracking

iOS 15 deploys some customized algorithms to keep watch over how regular your strolling is, however Walking Steadiness is a brand new characteristic completely for iPhone 8 and newer units—for those who’ve received one thing older than that, you received’t be capable of entry it.