iPhone 15 Plus
iOS 18
iOS 17
Search for a guide or problem below or select a topic.
Connectivity
Device home
Getting started
Basic functions
Calls, contacts, messaging
Connectivity
Specifications
Device home
Getting started
Basic functions
Calls, contacts, messaging
Connectivity
Specifications
Troubleshooting
I can't use my phone's internet connection
I can't use Wi-Fi
I can't use my phone as a personal hotspot
My phone uses a large amount of mobile data
Network and internet
Selecting network
Selecting network mode
Turning flight mode on or off
Setting up your phone for internet
Resetting network settings
Data usage
Viewing data usage
Turning mobile data on or off
Turning data roaming on or off
Selecting settings for data usage
Wi-Fi
Connecting to a Wi-Fi network
Using your phone as a personal hotspot
Turning Wi-Fi Assist on or off
Turning Wi-Fi calling on or off
Bluetooth
Pairing a Bluetooth device with your phone
GPS
Turning GPS on or off
Backup and synchronisation
Transferring files between computer and phone
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