Network and connectivity
Low Data Mode
Most people call this telling apps to go easy on data.
Low Data Mode pauses automatic updates and background tasks and asks apps to use less data, and it can be set separately for cellular and for individual Wi-Fi networks.
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 13 and later
- Settings
- Wi-Fi
- Network name
- Low Data Mode
What it does
Automatic downloads, backups and background refresh are paused. Video quality drops. FaceTime uses less bandwidth. Apps that support the flag reduce their own usage.
The Wi-Fi version is useful on a metered hotspot.
What changes
When it is on
Background work stops and media quality drops to save data.
When it is off
Everything updates freely.
Should you turn it on?
Good reasons to turn it on
- Stretches a small data allowance a long way.
- Works on a tethered or metered Wi-Fi network too.
- Saves battery as a side effect.
Good reasons to turn it off
- Photos stop syncing and backups stop running.
- Video looks worse.
- App updates wait until you turn it off.
Battery
Helps
Privacy
No real change
Performance
No real change
Cellular data
Helps
Storage
No real change
Out of the box: Off.
Worth reading first
What your iPhone needs
- Needs iOS 13 or later
Questions people actually ask
- Why has my iPhone stopped backing up?
- Low Data Mode pauses iCloud Backup. Turn it off or connect to an unrestricted network.
If it is not working
- If iCloud Photos has stopped syncing, check whether this is on.
- It is set separately for cellular and for each Wi-Fi network.