Samsung Galaxy C9 Pro Manual page 105

Settings
Data usage
Keep track of your data usage amount and customise the settings for the limitation.
On the Settings screen, tap Connections → Data usage.
• M obile data: Set the device to use data connections on any mobile network.
• B ackground data: Prevent apps that are running in the background from using a mobile
data connection.
• S et mobile data limit: Set a limit for mobile data usage.
To change the monthly reset date for the monitoring period, tap
Limiting data usage
Set the device to automatically disable the mobile data connection when the amount of
mobile data you have used reaches your specified limit.
1 On the Settings screen, tap Connections → Data usage → Set mobile data limit and
tap the switch to activate it.
2
Drag the limit adjustment bar upwards or downwards to set the limit.
3
Drag the warning adjustment bar upwards or downwards to set a data usage alert level.
The device will alert you when the warning level is reached.
Flight mode
This disables all wireless functions on your device. You can use only non-network services.
On the Settings screen, tap Connections and tap the Flight mode switch to activate it.
Make sure the device is turned off during takeoff and landing. After takeoff, you can
use the device in flight mode if allowed by aircraft personnel.
NFC and payment
Your device allows you to read near field communication (NFC) tags that contain information
about products. You can also use this feature to make payments and buy tickets for
transportation or events after downloading the required apps.
The device contains a built-in NFC antenna. Handle the device carefully to avoid
damaging the NFC antenna.
105
→ Change cycle.