Settings
Turn on Data saver
Use Data saver to reduce your data consumption by preventing selected apps from sending or receiving data in the background.
1.From Settings, tap 
Connections > Data usage > Data saver.
2.Tap 
to turn on Data saver.
•To allow some apps to have unrestricted data usage, tap Allowed to use data while Data saver is on, and tap C> next to each app to specify restrictions.
Monitor mobile data
You can customize your mobile data access by setting limits and restrictions. Options may vary by carrier.
◌From Settings, tap 
Connections > Data usage. The following options are available:
•Mobile data: Use mobile data from your plan.
•International data roaming: Enable mobile data services while roaming internationally.
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•Mobile data only apps: Set apps to always use mobile data, even when your device is connected to
•Alert me about data usage: Enable alerts for when your mobile data usage reaches the amount you chose.
•Mobile data usage: View data usage over mobile connections over a period of time. You can view total usage as well as usage by app.
•Billing cycle and data warning: Change the monthly date to align with your carrier’s billing date.
TIP Use these features to keep an eye on your estimated data usage.
Monitor Wi-Fi data
You can restrict
1.From Settings, tap 
Connections > Data usage.
2.Tap
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