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iOS 18 will be compatible with the same iPhone models as iOS 17, according to a post on X today from a private account with a proven track record of sharing build numbers for upcoming iOS updates.

iOS-18-Mock-iPhone-16-Feature-Gray.jpg

iOS 18 will be compatible with the iPhone XR, and hence also the iPhone XS and iPhone XS Max models with the same A12 Bionic chip, but older iPhone models will miss out. Here is the full compatibility list for iOS 18:
  • iPhone 15
  • iPhone 15 Plus
  • iPhone 15 Pro
  • iPhone 15 Pro Max
  • iPhone 14
  • iPhone 14 Plus
  • iPhone 14 Pro
  • iPhone 14 Pro Max
  • iPhone 13
  • iPhone 13 mini
  • iPhone 13 Pro
  • iPhone 13 Pro Max
  • iPhone 12
  • iPhone 12 mini
  • iPhone 12 Pro
  • iPhone 12 Pro Max
  • iPhone 11
  • iPhone 11 Pro
  • iPhone 11 Pro Max
  • iPhone XS
  • iPhone XS Max
  • iPhone XR
  • iPhone SE (2nd generation)
  • iPhone SE (3rd generation)
Apple is expected to announce iOS 18 at its Worldwide Developers Conference, which begins June 10, and the update should be released to all users with a compatible iPhone in September.

It's worth noting that iOS 18 will feature an AI-powered overhaul of Apple's iPhone operating system dubbed "Apple Intelligence," and at least some of these features will not be supported on older iPhone models.

The same source says iPadOS 18 will drop support for the 10.5-inch iPad Pro and second-generation 12.9-inch iPad Pro, which use the A10X Fusion chip. The sixth-generation iPad is also being dropped from the compatibility list, but the seventh-generation iPad will still be supported.

To kick off WWDC 2024, Apple will hold a keynote event on the Monday at 10:00 a.m. Pacific Time to announce the new software. For those unable to watch the live stream, or who prefer to read a text version of the announcements, we'll have live coverage both here on MacRumors.com and through our MacRumorsLive X (Twitter) account, so make sure to follow.

Article Link: Revealed: iOS 18 Works With These iPhone Models
 
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Wow... my XR since September 2018 will be supported for major updates until August 2025?

I'm speechless. No other company ever supported their phones that long. Gotta give that to Apple.
That’s obviously great, but quite frankly something to be expected since Apple normally provides 7 years of OS updates to their Mac lineup. I see no reason why that shouldn’t encompass their phones when they’re effectively just as capable from a perf perspective.
 
Still baffles me that iPhone 14 Pro is rumored not to support AI.
Especially considering that the iPhone 15 does have THE SAME A16 processor as the 14Pro, which would mean:
- either the 15 "regular" doesn't support any AI
- or the 14 Pro doesn't on purpose, which would mean an immediate lawsuit against apple...
 
Having the AI features restricted to iPhone 15 Pro or later is pretty poor form. The iPhone 14 Pro and iPhone 15 have the same chip and the 15 was introduced just last year. Further, the performance leap from 14 Pro to 15 Pro is pretty negligible, so what is the restriction here?

Also, how is it that M1 or better Mac’s and iPads get support but the A16 doesn’t considering the M1 is older and a 5nm chip while A16 is a 4nm chip and newer generation.


UPDATE: The correct answer is RAM — 8GB minimum required

See this reply from @CarAnalogy: https://forums.macrumors.com/goto/post?id=33191882
 
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THE SAME A16 processor as the 14Pro, which would mean:
- either the 15 "regular" doesn't support any AI
- or the 14 Pro doesn't on purpose, which would mean an immediate lawsuit against apple...
That is correct. AI features will be supported under the iPhone 15 Pro and upcoming iPhone 16 chipsets. The 15 regular will not be supported. The 14 Pro will not.
 
On one hand, Apple offers very long major software update support, which they can brag about all day all night. (Admittedly also a good thing for users)
On the other hand, should Apple offer users the option to only install security updates for supported major software releases, users would be happier knowing there’s an option to not drag their devices down to a crawl with newer major software releases.
All things considered though, given how small the change between each major software version these days, I don’t expect a massive performance penalty in between.
 
Still baffles me that iPhone 14 Pro is rumored not to support AI.
Especially considering that the iPhone 15 does have THE SAME A16 processor as the 14Pro, which would mean:
- either the 15 "regular" doesn't support any AI
- or the 14 Pro doesn't on purpose, which would mean an immediate lawsuit against apple...
Lawsuit for not including features not announced during a device presentation in a device that never was announced to have those features?
 
Only Apple can do this because they control the whole technology stack.
Google and Samsung do now too, and they don't control as much. This can be said about battery efficiency, but not about software updates. There are Android phones released in 2015 still working today. I know many people who still use the iPhone 7 Plus is in great shape as their second phone.
 
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Having the AI features restricted to iPhone 15 Pro or later is pretty poor form. The iPhone 14 Pro and iPhone 15 have the same chip and the 15 was introduced just last year. Further, the performance leap from 14 Pro to 15 Pro is pretty negligible, so what is the restriction here?

Also, how is it that M1 or better Mac’s and iPads get support but the A16 doesn’t considering the M1 is older and a 5nm chip while A16 is a 4nm chip and newer generation.

RAM. It's probably as simple as that, when it's all boiled down. All Macs have at least 8, 14 Pro and 15 have 6.
 
does it make sense to label these devices as “fully compatible” in one paragraph while mentioning some devices won’t receive full AI capability in the next?

This has been the way ever since the iPhone 3GS. The newest phone always has at least one software feature the older one doesn't. Not saying its right, in fact sometimes it seems downright capricious, but it is standard.
 
On one hand you have Apple likely artificially limiting features on older models in order to sell phones, but on the other hand, you're not getting completely tossed aside for updates if you have an old phone. The bar is pretty low in Android land, so there isn't much incentive for Apple to even make the iOS18 support list this long. Maybe it helps sell phones, when old iPhone user talks to friend with new iPhone and sees that new iPhone can do more stuff.
 
Kinda means there won’t be much major changes as they would have to keep it for newer devices; I would like a OS that drops older phones like xs so they can put more into it
 
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