Wireless
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Locking the SIM Card
Locking the SIM card requires the user to enter a PIN every time the device is turned on. If the correct PIN is not
entered, only emergency calls can be made.
1. Swipe down from the Status bar to open the Quick Access panel and then touch .
2. Touch Security & location.
3. Touch SIM card lock.
4. Touch Lock SIM card.
Figure 57 Enter PIN to Lock the SIM Card
5. Enter the PIN associated with the card.
6. Touch OK.
7. Reset the device.
Monitoring Data Usage
Data usage refers to the amount of data uploaded or downloaded by the device during a given period. This is data
that is not accessed through Wi-Fi. Depending on the wireless plan, you might owe additional fees when your data
usage exceeds your plan's limit. In this section, you learn about using the data saver, setting a warning about the
amount of data used, and setting a data limit.
Turning on the Data Saver
1. Swipe down from the Status bar to open the Quick Access panel and then touch .
2. Touch Network & Internet > Data usage.
Figure 58 Data Usage Form
3. Touch Data saver.
The Data saver form appears.
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