You can manage access to data transmission for all installed apps as well as for individual apps:
•over Wi-Fi 
,
•over mobile networks 
,
•over mobile networks when roaming 
.
Allowed access types are marked with green icons, blocked access types are marked with gray.
|
By default, data transmission is allowed over Wi-Fi and mobile networks and blocked over mobile networks when roaming for all apps. |
To change access to data transmission for all apps
•On the All apps screen, tap Wi-Fi, Mobile data, or Roaming at the top of the screen.
To change access to data transmission for multiple apps
1.On the All apps screen, tap and hold one of the apps.
2.Select the rest of the apps you want to change access for.
3.Use the icons in the top-right corner of the screen to allow/block the corresponding access to data transmission for all selected apps.
To exit the access editing mode, tap the 
icon in the top-left corner of the screen.
To change access to data transmission for one app
•On the Application screen, open the Settings tab and tap the , , or icon.
Icons of apps with a changed access to data transmission are marked with the 
icon.