Apple has introduced a more advanced, AI-powered Siri experience with iOS 27 as part of its broader Apple Intelligence ecosystem. While the upgraded assistant offers more personalized and capable features, not every iPhone user wants artificial intelligence involved in everyday tasks.
If you prefer the traditional Siri experience, want fewer AI-powered features on your iPhone, or simply don’t use Apple’s AI tools, you have several options.
With iOS 27, you can turn Siri off completely, switch back to the classic Siri experience, and individually disable many Apple Intelligence features. However, there isn’t currently one universal switch that turns off every AI-related feature across the entire operating system.
Here’s how to reduce or disable Siri AI and other Apple Intelligence features on your iPhone.
Can You Turn Off Siri AI Completely?
Yes. iOS 27 allows you to disable Siri from the Settings app.
Apple describes the new Siri as a more capable and personalized assistant powered by the next generation of Apple Intelligence. However, users who prefer the older Siri interface or don’t want AI-powered assistance can disable the feature.
Turning Siri off means that the assistant will no longer respond to your usual Siri triggers or voice commands.
If you later change your mind, you can enable Siri again.
How to Turn Off Siri AI on iPhone
If you don’t want to use the new AI-powered Siri, follow these steps:
Step 1: Open Settings
Open the Settings app on your iPhone.
Step 2: Open Siri Settings
Scroll through the Settings menu and tap Siri.
Step 3: Turn Off Siri
Scroll toward the bottom of the Siri settings page and look for Turn Off Siri.
Tap the option and confirm your choice when iOS asks you to do so.
Siri will then be disabled on your iPhone.
Once Siri is turned off, voice commands and other Siri activation methods will no longer work until you reactivate the assistant.
Can You Delete the Siri AI App?
If the Siri AI interface appears as a separate app on your iPhone, you may also be able to remove its app icon.
To do this:
- Find the Siri AI app on your Home Screen.
- Touch and hold the app icon.
- Wait for the quick-action menu to appear.
- Tap Remove App.
- Confirm the removal if prompted.
Removing an app icon and disabling Siri are separate actions, so deleting an app does not necessarily mean that every Siri-related system feature has been disabled.
How to Switch Back to Classic Siri in iOS 27
You don’t necessarily have to stop using Siri altogether.
If you prefer the older Siri experience, iOS 27 provides an option to return to the classic version of Siri after disabling the newer Siri AI experience.
Classic Siri can still be useful for straightforward voice commands such as:
- Turning smart-home devices on or off
- Setting alarms
- Setting timers
- Sending basic messages
- Asking simple questions
- Checking information
- Performing basic iPhone commands
Steps to Get Classic Siri Back
First, follow the steps above to deactivate the new Siri AI experience.
After disabling Siri, immediately go through the process to activate Siri again.
During the reactivation process, iOS 27 can provide an option to use the classic Siri experience.
Select the classic option if you want to continue using Siri without the newer AI-powered experience.
Does Turning Off Siri Disable Apple Intelligence?
No.
This is an important distinction.
Turning off Siri doesn’t automatically disable every Apple Intelligence feature on an iPhone.
Apple Intelligence is integrated into multiple parts of iOS, including notifications, Mail, Messages and other system features. As a result, you may need to disable individual AI functions separately.
At present, iOS 27 doesn’t provide one universal “Turn Off All AI” button.
Instead, Apple provides individual controls for different Apple Intelligence features.
How to Turn Off AI-Powered Notification Prioritization
Apple Intelligence can analyze incoming notifications and determine which ones appear to be more important.
If you don’t want your iPhone automatically prioritizing notifications, you can disable the feature.
Go to:
Settings → Notifications → Prioritize Notifications
Turn Prioritize Notifications off.
Your notifications will continue to arrive, but your iPhone won’t use this particular feature to automatically determine which notifications should receive priority.
How to Turn Off Notification Summaries
Apple Intelligence can also summarize groups of notifications.
If you’d rather see your notifications in their original form, you can turn off notification summaries.
Go to:
Settings → Notifications → Summarize Notifications
Then disable the feature.
This allows you to receive notifications without Apple’s AI-generated summaries.
How to Remove AI Summaries From Messages
Messages can use Apple Intelligence to summarize incoming conversations or notifications.
If you don’t want this functionality, open:
Settings → Apps → Messages
Look for the relevant notification-summary option and turn it off.
This doesn’t prevent you from using the Messages app or receiving messages. It only removes the AI-powered summarization feature.
How to Turn Off AI Features in Mail
Apple Intelligence can also assist with email by summarizing message information and generating suggested responses.
There are separate controls for these functions.
Turn Off Mail Message Summaries
Open:
Settings → Apps → Mail
Then locate the option related to Summarize Message Previews and disable it.
Your emails will continue to work normally, but the AI-generated summaries will no longer be used for message previews.
Turn Off AI Smart Replies
Apple Intelligence can generate suggested responses based on the email you’re reading.
If you don’t want these AI-generated suggestions, go to:
Settings → Apps → Mail → Personalize Smart Replies
Turn the option off.
This does not disable ordinary email replies. You can still write and send replies manually as usual.
How to Turn Off AI Voicemail Suggestions
iOS 27 can use Apple Intelligence with voicemail transcripts to provide suggestions based on information contained in a voicemail.
For example, the system may identify information that could potentially be turned into a reminder or calendar event.
If you don’t want these AI-powered suggestions, go to:
Settings → Apps → Phone → Suggestions in Voicemail
Turn Suggestions in Voicemail off.
Your voicemail service will continue to function. This setting simply prevents iOS from providing AI-based suggestions from voicemail content.
Apple Intelligence Features You May Want to Disable
If your goal is to minimize AI usage on your iPhone, Siri isn’t the only feature you should check.
Depending on your iOS configuration and the Apple Intelligence features available on your device, look through Settings for AI-powered options related to:
- Siri
- Notification prioritization
- Notification summaries
- Message summaries
- Mail summaries
- Smart Replies
- Voicemail suggestions
- Writing assistance
- Image generation
- AI-powered system suggestions
Some Apple Intelligence features have their own controls, so turning off Siri alone won’t necessarily remove them.
Is There One Setting to Turn Off All Apple Intelligence?
At the time of writing, iOS 27 does not provide a single universal switch that disables every Apple Intelligence feature throughout the operating system.
Instead, Apple distributes controls across different sections of Settings.
This means users who want to minimize AI involvement may need to check multiple areas individually.
It can take a little more time, but it gives users more control over which AI features they want to keep and which ones they want to disable.
Siri AI vs Classic Siri: What’s the Difference?
The main distinction is that the newer Siri experience is designed around Apple’s broader intelligence features, while classic Siri focuses more on traditional voice-assistant functionality.
| Feature | Siri AI | Classic Siri |
|---|---|---|
| Voice commands | Yes | Yes |
| Basic iPhone controls | Yes | Yes |
| AI-powered capabilities | Yes | Limited |
| Personalized AI assistance | Yes | Limited |
| Traditional Siri experience | No | Yes |
| Can be disabled | Yes | Yes |
If you only need Siri for basic commands, the classic version may be sufficient for your everyday tasks.
Why Would Someone Turn Off Apple Intelligence?
There are several reasons an iPhone owner might prefer fewer AI features.
Privacy Preferences
Some users may prefer to minimize the amount of information processed by AI-powered features.
Simplicity
Traditional iPhone features can feel more straightforward when additional AI suggestions and summaries aren’t being displayed.
Fewer Automatic Decisions
Features such as notification prioritization allow the system to determine what it considers important. Some users may prefer to make those decisions themselves.
Less Clutter
If you don’t use AI-generated summaries, suggested replies or other intelligence features, disabling them can make certain apps feel simpler.
What Happens After You Turn Off Siri?
When Siri is disabled:
- Siri won’t respond to normal activation commands.
- Voice-based Siri requests won’t work.
- Siri-related functionality requiring activation will be unavailable.
- You can enable Siri again later.
- Other Apple Intelligence features may continue working unless you disable them separately.
This last point is important: turning off Siri is not the same thing as turning off Apple Intelligence.
Frequently Asked Questions
Can I completely turn off Siri AI on my iPhone?
Yes. Open Settings → Siri → Turn Off Siri and confirm your choice.
Can I use classic Siri instead of Siri AI?
Yes. After disabling the newer Siri experience and reactivating Siri, iOS 27 can provide an option to use the classic Siri experience.
Does disabling Siri turn off Apple Intelligence?
No. Other Apple Intelligence features can continue working unless you disable them individually.
How do I stop Apple Intelligence from prioritizing notifications?
Go to Settings → Notifications → Prioritize Notifications and turn the feature off.
How do I stop notification summaries?
Go to Settings → Notifications → Summarize Notifications and disable the feature.
Can I turn off AI Smart Replies in Mail?
Yes. Go to Settings → Apps → Mail → Personalize Smart Replies and turn the option off.
Can I disable AI voicemail suggestions?
Yes. Go to Settings → Apps → Phone → Suggestions in Voicemail and disable the feature.
Is there a single switch to disable every Apple Intelligence feature?
According to the information in this guide, iOS 27 does not provide one universal switch for every Apple Intelligence feature. Individual settings need to be adjusted separately.
Final Thoughts
If you prefer using your iPhone without AI-powered assistance, iOS 27 gives you several ways to reduce Apple’s artificial intelligence features.
The simplest option is to turn Siri off completely. If you still want a traditional voice assistant, you can instead switch back to classic Siri.
For users who want to go further, additional Apple Intelligence functions can be disabled individually through Settings. Notification prioritization, notification summaries, Mail summaries, Smart Replies and voicemail suggestions all have their own controls.
The main thing to remember is that turning off Siri doesn’t automatically disable every Apple Intelligence feature. If your goal is to minimize AI throughout your iPhone, you’ll need to review the individual settings across iOS.
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