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
Get information about your iPhone
View overall storage availability and storage used per app
Go to Settings 
> General > iPhone Storage.
See the Apple Support articles How to check the storage on your iPhone, iPad, and iPod touch and Manage your iCloud storage.
See battery usage
Go to Settings > Battery to see the elapsed time since iPhone has been charged and usage by app. See Charge and monitor the iPhone battery.
You can also display battery level as a percentage, turn Low Power Mode on or off, and check your battery’s health. See Charge and monitor the iPhone battery.
View call time and cellular usage
Go to Settings > Cellular. See View or change cellular settings on iPhone.
See more information about iPhone
Go to Settings > General > About. The items you can view include:
Name
iOS software version
Model name
Part and model numbers. To the right of Model, the part number appears. To see the model number, tap the part number.
Serial number
Cellular network
Number of songs, videos, photos, and apps
Capacity and available storage space
Carrier settings. To the right of Carrier, the carrier settings version number appears. To see additional carrier-specific information, tap the version number. Contact your carrier for more details.
Wi-Fi and Bluetooth addresses
IMEI (International Mobile Equipment Identity)
ICCID (Integrated Circuit Card Identifier, or Smart Card) for GSM networks
MEID (Mobile Equipment Identifier) for CDMA networks
Modem firmware
Legal (including legal notices and license, warranty, and RF exposure information)
To copy the serial number and other identifiers, touch and hold the identifier until Copy appears.
To see regulatory marks, go to Settings > General > Regulatory.
On supported models, you can also find the IMEI on the SIM card tray and the model number in the SIM tray opening.
View or turn off diagnostic information
Go to Settings > Privacy > Analytics.
To help Apple improve products and services, iPhone sends diagnostic and usage data. This data doesn’t personally identify you, but may include location information.