iPhone User Guide
- Welcome
- What’s new in iOS 12
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- Wake and unlock
- Learn basic gestures
- Learn gestures for iPhone X and later
- Use 3D Touch for previews and shortcuts
- Explore the Home screen and apps
- Change the settings
- Take a screenshot
- Adjust the volume
- Change the sounds and vibrations
- Search for content
- Use and customize Control Center
- View and organize Today View
- Access features from the Lock screen
- Travel with iPhone
- Set screen time, allowances, and limits
- Sync iPhone using iTunes
- Charge and monitor the battery
- Learn the meaning of the status icons
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- Accessories included with iPhone
- Connect Bluetooth devices
- Stream audio and video to other devices
- Control audio on multiple devices
- AirPrint
- Use Apple EarPods
- Apple Watch
- Use Magic Keyboard
- Wireless charging
- Handoff
- Use Universal Clipboard
- Make and receive Wi-Fi calls
- Use iPhone as a Wi-Fi hotspot
- Share your iPhone Internet connection
- Transfer files with iTunes
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- Get started with accessibility features
- Accessibility shortcuts
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- Turn on and practice VoiceOver
- Change your VoiceOver settings
- Learn VoiceOver gestures
- Operate iPhone using VoiceOver gestures
- Control VoiceOver using the rotor
- Use the onscreen keyboard
- Write with your finger
- Control VoiceOver with Magic Keyboard
- Type onscreen braille using VoiceOver
- Use a braille display
- Use VoiceOver in apps
- Speak selection, speak screen, typing feedback
- Zoom in on the screen
- Magnifier
- Display settings
- Face ID and attention
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- Guided Access
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- Important safety information
- Important handling information
- Get information about your iPhone
- View or change cellular settings
- Learn more about iPhone software and service
- FCC compliance statement
- ISED Canada compliance statement
- Class 1 Laser information
- Apple and the environment
- Disposal and recycling information
- Copyright
Share health and fitness data on iPhone
Use the Health app 
to share your health and fitness data among other apps and devices. For example, if you install a workout app, its exercise data can appear in the Health app. The workout app can also read and make use of data (such as your heart rate and weight) shared by other devices and apps.
Control the sharing of data
Tap Sources to see the apps and devices you allow to read or write data.
To change your sharing options, tap the device or app.
Export all your health data
Tap Health Data, tap 
, then tap Export Health Data.
Your data is exported in XML format, a common format for sharing data between apps.
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