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76 nüvifone M20 Owner’s Manual
Change the Lock
Settings
1. Tap > Settings > Personal >
Lock.
2. Select an option:
Simple PIN—enter a 4-
character PIN to unlock the
screen.
Strong Alphanumeric—enter
a 7-character password to
unlock the screen.
3. Tap
OK to save the changes.
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Set Up Auto Cleaner
Use Auto Cleaner to close the
running applications you are not
using.
1. Tap > Settings > System >
Auto Cleaner.
2. Select how to close and exit
programs.