Buy this device

Help and support for
Apple iPhone 17

iOS 26

Change the device

Buy this device

Most viewed guides

Restart your phone

Improve battery life

Turn silent mode on or off

Sell your Apple iPhone 17 up to

£400.00*

*The final value depends on the condition of the device.

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Connectivity and network for your Apple iPhone 17

Setup and first use

Connectivity and network

Troubleshooting

I can't use my phone's internet connection

I can't use WiFi

I can't use my phone as a personal hotspot

My phone uses a large amount of mobile data

Network settings

Change network mode

Turn airplane mode on or off

Reset network settings

Internet and WiFi

Set up your phone for internet

Connect to a WiFi network

Use hotspot on your phone

Data usage

Check data usage

Turn mobile data on or off

Turn roaming on or off

Change data usage settings

Bluetooth

Connect to a Bluetooth device

Backup and synchronisation

Transfer files between computer and phone