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3. Touch SIM card lock.
4. Touch Lock SIM card.
Figure 135 Enter PIN to Lock SIM Card
5. Enter the PIN associated with the card. Touch OK.
6. Reset the device.
Data Usage
Data usage refers to the amount of data uploaded or downloaded by the device during a given period.
Depending on the wireless plan, you may be charged additional fees when your data usage exceeds your
plan's limit.
To monitor your data usage:
1. Swipe down from the Status bar to open the Quick Access panel and then touch .
2. Touch Mobile network > Data usage > Data saver.
CAUTION: The usage displayed on the data usage settings screen is measured by your device. Your carrier's data usage
accounting may differ. Usage in excess of your carrier plan's data limits can result in steep overage charges. The feature
described here can help you track your usage, but is not guaranteed to prevent additional charges.
Data usage settings allow:
• Set the data usage warning level.
• Set a data usage limit.
• View or restrict data usage by app.
• Identify mobile hotspots and restrict background downloads that may result in extra charges.
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