Device-specific hardware settings
External display output
Most people call this connecting your iPhone to a monitor or television.
USB-C iPhones can send video to an external display over a cable, either mirroring the screen or, in supporting apps, showing separate content.
This setting is present on your iPhone.
- We have this path on file but have not yet confirmed it against an official source.
Where to find it - iOS 17 and later
- Settings
- General
- AirPlay & Continuity
There is no display output switch. Connecting a suitable cable starts output automatically.
What it does
It needs a USB-C to DisplayPort or HDMI cable or adapter. Most apps mirror. Video and some games output at the display's own resolution instead of mirroring.
What changes
When it is on
The connected display shows your iPhone.
When it is off
Nothing is output.
Should you turn it on?
Good reasons to turn it on
- Presentations and video without a computer.
- More reliable than wireless mirroring in an unfamiliar room.
Good reasons to turn it off
- Driving a display uses significant battery.
- Lightning models need a different adapter and are limited.
Battery
Costs you something
Privacy
No real change
Performance
No real change
Cellular data
No real change
Storage
No real change
Out of the box: Automatic when a display is connected.
What your iPhone needs
- Needs a USB-C iPhone
Questions people actually ask
- Can I connect my iPhone to a monitor?
- USB-C models can output video over a suitable cable. Lightning models need an adapter and are more limited.
If it is not working
- A charge only cable will not carry video. Use one that supports display output.
- Some streaming apps refuse to output over an adapter for licensing reasons.
- AirPlay is the wireless alternative.