18 - Using your smartphone
Multitasking
You can have multiple apps open at the same
time. To open a new app, tap the home button
to return to the Home screen, then start the new
app. Tap the Menu button to quickly navigate
back and forth between previously-opened
apps.
To prolong battery life, it is better to close an app when you’ve finished using
it. Do this by either pressing the Back key or the Menu button and selecting
Exit (if available).
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