IOS 27 Features

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iPhone Handoff

Seamless switching between two iPhones. iPhone Handoff allows users to switch a single phone number between two iPhones, with cellular service following whichever device is unlocked. "Apple has added a new "iPhone Handoff" feature to iOS 27 that will allow you to switch between two iPhones while using the same phone number on each device."
Practical for diverse use cases. This feature is particularly useful for those who need a rugged "work phone" alongside a primary device or for international travel to separate personal and travel phones. "I plan on getting the 18 pro and this will allow me to switch off to my old 15 for field work days so I don’t have to worry about water damage/dropping/crushing/overheating in the sun with my new phone."
Carrier compatibility is essential. The feature requires carrier support, with T-Mobile US and Deutsche Telekom carrier bundles reportedly adding support in iOS 27. "Carrier bundles for T-Mobile US and Deutsche Telekom in iOS 27 add support for the feature, according to https://redesmoveisfixas.com/carrier."

Performance Improvements

Faster app launches and smoother animations. iOS 27 brings noticeable speed enhancements, including apps launching up to 30% faster and smoother system animations. "Apps launch up to 30% faster, including third-party apps."
Optimized CPU scheduling and network transitions. The optimized CPU scheduler makes demanding tasks more efficient, even on older devices, and the system is better at handling Wi-Fi to cellular transitions. "Improved CPU scheduling makes demanding tasks run more efficiently, even on older devices such as the iPhone 11."
Enhanced media handling and messaging. Photos and videos load faster in the Photos app, and iMessages that fail to send will automatically retry without manual intervention. "Photos and videos load up to 70% faster, especially in large photo libraries."

Redesigned Notification Center and Siri

Changed access to Notification Center and Siri. With iOS 27, Siri AI takes over the swipe gesture for the top edge of the iPad, moving notifications to the top-left corner. "Starting with iOS 27, Apple is making a major change to how users open Notification Center on iPhone and iPad when Siri AI is enabled."
Mixed reception for new Siri interface. Some Users find the new Siri interface clunky and less intuitive for simple commands, despite technical improvements. "New Siri sucks. The new interface is clunky snd she has more issues with simple commands."
Potential for customization desired. Users express a desire for customization options to revert to previous Notification Center access methods, especially due to concerns about one-handed use. "to put Siri, something I almost never use because it’s useless, where I usually swipe to get my notifications? Something I use constantly… Siri already has a button to activate it. Why are they making it more annoying to"

Are you considering upgrading to iOS 27 primarily for its performance enhancements?

Bottom line

iOS 27 introduces iPhone Handoff, significant performance improvements, and a redesigned Notification Center. Many Users appreciate the performance enhancements and the utility of iPhone Handoff, while the changes to the Notification Center and Siri have been met with mixed reactions.

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Community answers 29

What others in the community said:

97% upvoted

Apple has added a new "iPhone Handoff" feature to iOS 27 that will allow you to switch between two iPhones while using the same phone number on each device.

"iPhone Handoff" can be set up from the Settings app, under the Cellular menu. Setup demo. During the setup process, you can choose which iPhone you want to be the main device that you use most often and which one you want to be the companion device.

Apple says a user's main eSIM will remain on the main iPhone, while the companion iPhone will receive a companion eSIM, and this will enable you to switch between the devices back and forth depending on which one is unlocked.

All cellular settings are managed on the main iPhone, and location sharing is based on whichever iPhone is actively using the phone number.

Your phone number will switch between the two iPhone devices depending on which one is unlocked. You'll see a Dynamic Island notification on unlock when iPhone Handoff transfers your service.

Some of the requirements for iPhone Handoff: * Carrier compatibility (see below). * Both devices need to be signed in with the same Apple Account, and updated to iOS 27. * The main device needs to be locally available over Bluetooth LE to create the companion eSIM, similar to eSIM transfer today.

Carrier bundles for T-Mobile US and Deutsche Telekom in iOS 27 add support for the feature, according to However, T-Mobile's enrollment server currently returns a 'feature disabled' response, so enrollment is not possible. There are some reports that enrollment was available last month.

IOS 27 Features — image shared in an answer

I’m too poor to understand the use case for this

iPhone 17e for the streets. iPhone 17 pro max in the sheets

How do we increase sales? Make it so that every person can now have 2 iPhones!

91% upvoted

Since iOS 5 in 2011, the iPhone and iPad have included Notification Center, a central place to find alerts from various apps in chronological order.

Starting with iOS 27, Apple is making a major change to how users open Notification Center on iPhone and iPad when Siri AI is enabled.

Once enabled, Siri AI takes over the swipe gesture for a lot of the iPad top edge. In iPadOS 27, notifications now live in the top-left corner. It’s roughly the size of two app columns with Notification Center on the left and Control Center on the right. The rest is for invoking Siri.

IOS 27 Features — image shared in an answer
  1. Apps launch up to 30% faster, including third-party apps.

  2. Improved CPU scheduling makes demanding tasks run more efficiently, even on older devices such as the iPhone 11.

  3. System animations are smoother, including unlocking, Home Screen scrolling, App Library scrolling, and Control Center.

  4. Switching between Wi-Fi and cellular networks is faster and more reliable.

  5. Rebuilt search indexing improves results in Spotlight, Photos, Mail, and other apps.

  6. Photos and videos load up to 70% faster, especially in large photo libraries.

  7. Recent photos appear faster in Photos and the Messages photo picker.

  8. Failed iMessages automatically resend instead of requiring a manual retry.

  9. Photos and videos uploading in Messages no longer prevent text messages from being sent.

  10. The Camera opens faster in Low Power Mode and uses less power.

  11. The emoji and sticker keyboards load faster with less delay.

  12. Mail unread badges are more accurate and less likely to show already-read messages.

  13. Improved Bluetooth power management may slightly improve battery life when using AirPods, Apple Watch, CarPlay, and other accessories.

  14. AirDrop transfers are up to 80% faster, and nearby devices are detected more quickly.

  15. Safari is more power-efficient, and web apps perform faster.

  16. Other improvements include faster text recognition, more reliable wireless CarPlay, and the Lock Screen remaining awake while scrolling through notifications.

Hasn’t the top left been notifications, and the top right the control centre for a while now?

94% upvoted
10 iOS 27 Performance Improvements You'll Actually Notice
IOS 27 Features — image shared in an answer
98% upvoted

Use this thread to share any changes & bugs you discover while using the latest iOS/iPadOS 27 beta.

This thread should be used for discussion of the betas that may not meet our submission guidelines, as well as troubleshooting small issues through the beta test cycle.

Spamming this discussion with comments about battery life, update size, safari being snappier, etc will result in a ban from the sub moving forward.

90% upvoted
iOS 27 Will Add These New Features to Your iPhone
IOS 27 Features — image shared in an answer

They want to put Siri, something I almost never use because it’s useless, where I usually swipe to get my notifications? Something I use constantly…

Siri already has a button to activate it. Why are they making it more annoying to use my device?

100% upvoted
The best iOS 27 feature so far
IOS 27 Features — image shared in an answer

I still haven’t relearned fully

79% upvoted

Just me who thinks that?

In some points like performance, liquid glass interface implementation is much better

on other hand like the icons, no tinted glass (not only dark and white but colored), solid top bar and other things they ruined completely

the iOS 27 glass with iOS 26 icons would be awesome

IOS 27 Features — image shared in an answer

I’m a geologist who works in some pretty dirty/hazardous locations (around drill rigs, underground mines, remote backwoods). This is going to be absolutely awesome for me. I plan on getting the 18 pro and this will allow me to switch off to my old 15 for field work days so I don’t have to worry about water damage/dropping/crushing/overheating in the sun with my new phone. Yippee

Definitely faster on my 15 pro

73% upvoted

After talking with many people, I felt it was essential to take a look back at where we've come from and where we're going with this first beta. I deliberately brought out my iPhone 5c for comparison.

I'm sorry, but for anyone saying iOS 27 is a rebalancing update, it's just a step backward and poorly executed.

The top bar is just a solid blur with the Liquid Glass buttons tacked on, the search bar has lost all its aesthetic appeal, and you can say goodbye to shadows. Gradients are gone too. I've set the Liquid Glass slider to the most transparent setting possible.

I know it's only beta 1, but since their UI design kit, which they're basing it on, has already been updated for Sketch etc., I think the new art direction is just going to gradually kill Liquid Glass.😔

IOS 27 Features — image shared in an answerIOS 27 Features — image shared in an answer
95% upvoted
These are the new features coming to your iPhone with iOS 27
IOS 27 Features — image shared in an answer

Still no keyboard fixing…

87% upvoted

anyone downgraded to iOS 26 stable?

iOS 27 beta is what iOS 26 should have been….. it’s the debugged version of iOS 26.

Great. The best iOS version in quite a while.

New Siri sucks. The new interface is clunky snd she has more issues with simple commands. She is technically more capable now but I always used her most for simple reminders etc which is worse now.

beta dev 8 is great for me, so smooth, no bugs.

alongside a primary device or for international travel to separate personal and travel phones.
- Carrier compatibility is essential. The feature requires carrier support, with T-Mobile US and Deutsche Telekom carrier bundles reportedly adding support in iOS 27.
### Performance Improvements
- Faster app launches and smoother animations. iOS 27 brings noticeable speed enhancements, including apps launching up to 30% faster and smoother system animations.
- Optimized CPU scheduling and network transitions. The optimized CPU scheduler makes demanding tasks more efficient, even on older devices, and the system is better at handling Wi-Fi to cellular transitions.
- Enhanced media handling and messaging. Photos and videos load faster in the Photos app, and iMessages that fail to send will automatically retry without manual intervention.

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