Data saver is a phone or browser setting that reduces how much mobile data your apps use. It does this by limiting background data, lowering image and video quality, and stopping some apps from updating unless you are on Wi-Fi. It helps you stay within a limited data plan, though some apps may load slower or refresh less often.
Why this happens
Data saver is designed to stretch a limited plan. When it is on, it typically does the following:
- Blocks most background data use.
- Compresses or lowers media quality in some apps.
- Delays automatic updates and syncing until you are on Wi-Fi.
- Reduces preloading of content.
Is this normal?
Yes. Data saver is a standard feature on Android and most browsers. On iPhone the equivalent is called Low Data Mode.
Does it cause any problems?
It can make some apps slower to refresh, delay background notifications for certain apps, and lower video quality. These are the trade-offs of using less data.
How to fix or check it
- On Android, open Settings, Network and internet, Data Saver, and turn it on or off. You can allow specific apps to use data without restriction.
- On iPhone, open Settings, Cellular, Cellular Data Options, and turn on Low Data Mode, which is Apple's version.
- Some browsers have their own data-saving or lite mode in their settings.
- Allow key apps to bypass data saver so their notifications keep arriving on time.
- Turn it off when you are on Wi-Fi or have plenty of data left.
Frequently asked questions
Does data saver work on Wi-Fi?
It mainly targets mobile data, so most restrictions do not apply on Wi-Fi. On iPhone, Low Data Mode can also be applied per Wi-Fi network.
Will data saver stop my notifications?
It can delay notifications for apps whose background data is restricted. Add important apps to the allowed list to keep their alerts on time.
Does data saver reduce video quality?
Often yes. Streaming apps may lower resolution to save data. You can usually override the quality setting inside each app.