iPhone User Guide
- Welcome
- What’s new in iOS 14
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- Wake and unlock
- Adjust the volume
- Change sounds and vibrations
- Access features from the Lock Screen
- Open apps
- Take a screenshot or screen recording
- Change or lock the screen orientation
- Change the wallpaper
- Set a Live Photo as wallpaper
- Make screen items more reachable
- Search with iPhone
- Use AirDrop to send items
- Perform quick actions
- Use and customize Control Center
- Add widgets
- Charge and monitor the battery
- Learn the meaning of the status icons
- Travel with iPhone
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- Calculator
- Compass
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- Collect health and fitness information
- Maintain a health profile
- View health and fitness information
- Track your menstrual cycle
- Track headphone and environmental sound-level exposure
- Share health and fitness data
- Download health records
- Create and share your Medical ID
- Manage health with the Health Checklist
- Register as an organ donor
- Back up your Health data
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- View maps
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- Use Siri, Maps, and widgets to get directions
- Choose your preferred type of travel
- Get driving directions
- Report traffic incidents
- Find your parked car
- Get cycling directions
- Find places to stop
- Get walking directions
- Get transit directions
- See an overview of your route or its directions in a list
- Change audio settings for turn-by-turn directions
- Select other route options
- Get directions between places other than your current location
- Delete recently viewed directions
- Use Maps on your Mac to get directions
- Help correct and improve Maps
- Get rides
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- View photos and videos
- Delete and hide photos and videos
- Edit photos and videos
- Edit Live Photos
- Edit Portrait mode photos
- Organize photos in albums
- Search in Photos
- Share photos and videos
- View Memories
- Find people in Photos
- Browse photos by location
- Use iCloud Photos
- Share photos with iCloud Shared Albums
- Use My Photo Stream
- Import photos and videos
- Print photos
- Shortcuts
- Stocks
- Tips
- Translate
- Weather
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- Set up Family Sharing
- Download family members’ purchases
- Stop sharing purchases
- Turn on Ask To Buy
- Set up Apple Cash Family
- Share Apple Card
- Share subscriptions and iCloud storage
- Share photos, a calendar, and more with family members
- Locate a family member’s missing device
- Set up Screen Time through Family Sharing
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- Charging cable
- Power adapters
- MagSafe chargers and battery packs
- MagSafe cases and sleeves
- Qi-certified wireless chargers
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- Set up AirPods
- Charge AirPods
- Start and stop audio playback
- Change the AirPods volume
- Make and answer calls with AirPods
- Switch AirPods between devices
- Use Siri with AirPods
- Listen and respond to messages
- Share audio with AirPods and Beats headphones
- Change noise control modes
- Control spatial audio
- Restart AirPods
- Change the name of your AirPods and other settings
- Use other Bluetooth headphones
- Use EarPods
- Check headphone sound levels
- Apple Watch
- HomePod and other wireless speakers
- External storage devices
- Magic Keyboard
- Printers
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- Share your internet connection
- Allow phone calls on your iPad, iPod touch, and Mac
- Hand off tasks between iPhone and your Mac
- Cut, copy, and paste between iPhone and other devices
- Connect iPhone and your computer with a cable
- Sync iPhone with your computer
- Transfer files between iPhone and your computer
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- Intro to CarPlay
- Connect to CarPlay
- Use Siri
- Use your vehicle’s built-in controls
- Get turn-by-turn directions
- Report traffic incidents
- Change the map view
- Make phone calls
- Play music
- View your calendar
- Send and receive text messages
- Play podcasts
- Play audiobooks
- Listen to news stories
- Control your home
- Use other apps with CarPlay
- Rearrange icons on CarPlay Home
- Change settings in CarPlay
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- Get started with accessibility features
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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
- Use VoiceOver with an Apple external keyboard
- Use a braille display
- Type onscreen braille
- Customize gestures and keyboard shortcuts
- Use VoiceOver with a pointer device
- Use VoiceOver in apps
- Zoom
- Magnifier
- People detection
- Display & Text Size
- Motion
- Spoken Content
- Audio Descriptions
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- Important safety information
- Important handling information
- Get information about your iPhone
- View or change cellular data settings
- Find more resources for software and service
- FCC compliance statement
- ISED Canada compliance statement
- Ultra Wideband information
- Class 1 Laser information
- Apple and the environment
- Disposal and recycling information
- Copyright
View or change cellular data settings on iPhone
Turn cellular data and roaming on or off, set which apps and services use cellular data, see cellular data usage, and set other cellular data options.
Note: For help with cellular network services, voicemail, and billing, contact your wireless service provider.
If iPhone is connected to the internet via the cellular data network, an icon identifying the cellular network appears in the status bar.
5G, LTE, 4G, and 3G service on GSM cellular networks support simultaneous voice and data communications. For all other cellular connections, you can’t use internet services while you’re talking on the phone unless iPhone also has a Wi-Fi connection to the internet. Depending on your network connection, you may not be able to receive calls while iPhone transfers data over the cellular network—when downloading a webpage, for example.
GSM networks: On an EDGE or GPRS connection, incoming calls may go directly to voicemail during data transfers. For incoming calls that you answer, data transfers are paused.
CDMA networks: On EV-DO connections, data transfers are paused when you answer incoming calls. On 1xRTT connections, incoming calls may go directly to voicemail during data transfers. For incoming calls that you answer, data transfers are paused.
Data transfer resumes when you end the call.
If Cellular Data is off, all data services—including email, web browsing, and push notifications—use Wi-Fi only. If Cellular Data is on, carrier charges may apply. For example, using certain features and services that transfer data, such as Siri and Messages, could result in charges to your data plan.
Choose cellular data options for data usage, performance, battery life, and more
To turn Cellular Data on or off, go to Settings 
> Cellular.
To set options when Cellular Data is turned on, go to Settings > Cellular > Cellular Data Options, then do any of the following:
Reduce cellular usage: Turn on Low Data Mode, or tap Data Mode, then choose Low Data Mode. This mode pauses automatic updates and background tasks when iPhone is not connected to Wi-Fi.
Turn Data Roaming on or off: Data Roaming permits internet access over a cellular data network when you’re in a region not covered by your carrier’s network. When you’re traveling, you can turn off Data Roaming to avoid roaming charges.
Depending on your iPhone model, carrier, and region, the following options may be available:
Turn Voice Roaming on or off: (CDMA) Turn Voice Roaming off to avoid charges from using other carrier’s networks. When your carrier’s network isn’t available, iPhone won’t have cellular (data or voice) service.
Enable or disable 4G/LTE: Using 4G or LTE loads internet data faster in some cases but may decrease battery performance. There may be options for turning off 4G/LTE or for selecting Voice & Data (VoLTE) or Data Only.
On iPhone 12 models, you can do the following:
Enable Smart Data mode to optimize battery life: Tap Voice & Data, then choose 5G Auto. In this mode, your iPhone automatically switches to LTE when 5G speeds don’t provide noticeably better performance.
Use higher-quality video and FaceTime HD on 5G networks: Tap Data Mode, then choose Allow More Data on 5G.
Set up Personal Hotspot to begin sharing the cellular internet connection from iPhone
Go to Settings
> Cellular, then turn on Cellular Data.Tap Set up Personal Hotspot, then follow the instructions in Share your internet connection from iPhone.
Set cellular data use for apps and services
Go to Settings > Cellular, then turn Cellular Data on or off for any app (such as Maps) or service (such as Wi-Fi Assist) that can use cellular data.
If a setting is off, iPhone uses only Wi-Fi for that service.
Note: Wi-Fi Assist is on by default. If Wi-Fi connectivity is poor, Wi-Fi Assist automatically switches to cellular data to boost the signal. Because you stay connected to the internet over cellular when you have a poor Wi-Fi connection, you might use more cellular data, which may incur additional charges depending on your data plan. See the Apple Support article About Wi-Fi Assist.
Lock your SIM card
If your device uses a SIM card for phone calls or cellular data, you can lock the card with a personal identification number (PIN) to prevent others from using the card. Then, every time you restart your device or remove the SIM card, your card locks automatically, and you’re required to enter your PIN. See Use a SIM PIN for your iPhone or iPad.