Settings
Flight mode
This disables all wireless functions on your device. You can use only
Data usage
Keep track of your data usage amount and customise the settings for the limitation. On the Settings screen, tap Data usage.
•Mobile data: Set the device to use data connections on any mobile network.
•Set mobile data limit: Set a limit for mobile data usage.
To use more options, tap 
.
•Restrict background data: Set the device to disable sync in the background while using a mobile network.
•Show
•Mobile hotspots: Select mobile hotspots to prevent apps that are running in the background from using them.
Location
Change settings for location information permissions.
On the Settings screen, tap Location, and then tap the Location switch to activate it.
•Mode: Select a method to collect your location data.
•Recent location requests: View which apps request your current location information and their battery usage.
•Location services: View the location services your device is using.
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