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
Connect iPhone to the Internet
Connect your iPhone to the Internet by using an available Wi-Fi or cellular network.
Connect iPhone to a Wi-Fi network
Go to Settings
> Wi-Fi, then turn on Wi-Fi.Tap one of the following:
A network: Enter the password, if required.
Other: Joins a hidden network. Enter the name of the hidden network, security type, and password.
If 
appears at the top of the screen, iPhone is connected to a Wi-Fi network. (To verify this, open Safari to view a webpage.) iPhone reconnects when you return to the same location.
Connect iPhone to a cellular network
Your iPhone automatically connects to your carrierʼs cellular data network if a Wi-Fi network isnʼt available. If iPhone doesn’t connect, check the following:
Verify that your SIM is activated and unlocked. See Set up cellular service on iPhone.
Go to Settings
> Cellular.Verify that Cellular Data is turned on. On models with Dual SIM, tap Cellular Data, then verify the selected line. (You can choose only one line for cellular data.)
When you need an Internet connection, iPhone does the following, in order, until the connection is made:
Tries to connect to the most recently used available Wi-Fi network
Shows a list of Wi-Fi networks in range and connects to the one you choose
Connects to your carrier’s cellular data network
Note: If a Wi-Fi connection to the Internet isn’t available, apps and services may transfer data over your carrier’s cellular network, which may result in additional fees. Contact your carrier for information about your cellular data plan rates. To manage cellular data usage, see View or change cellular settings on iPhone.