Samsung Z4 - Data Usage

Settings
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Unpairing Bluetooth devices
1
Tap Bluetooth on the Settings screen.
The device displays the paired devices in the list.
2
Tap
next to the device name to unpair.
3
Tap Unpair .
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 (single SIM models): View the amount of mobile data you have used.
SIM1 / SIM2 (dual SIM models): View the amount of mobile data you have used.
•
Wi-Fi : View the amount of Wi-Fi data you use.
Limiting data usage
1
On the Settings screen, tap Data usage .
2
Tap Manage data usage .
3
Tap Limit .
4
Enter a limit and tap Done .
The device will alert you when the data limit is reached.