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NEXUS 7 GUIDEBOOK TUNE PERFORMANCE 46
Optimize data usage
Data usage refers to the amount of data uploaded or downloaded
by your device during a given period. To monitor your data usage,
go to
Settings > Wireless & networks > Data usage.
Data usage settings allow you to:
• View data usage by app and access app settings.
• Identify mobile hotspots and restrict background downloads
that may result in extra charges.
To view mobile hotspot settings, touch
Menu > Mobile
hotspots.
Near the top of the screen, note the data usage cycle. Touch it to
choose a different cycle. This date range is the period of time for
which the graph displays data usage.
The vertical white lines on the graph show a period of time within
the data usage cycle. This range determines the usage amount
displayed just below the graph. Drag lines to change the period.
Set data usage warning
Drag the orange line by its right side to the level where you want to
receive a warning. When your data usage reaches this level, you’ll
receive a notication.
View data usage by app
Some apps transfer data in the background—that is, when you’re