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If you touch PIN or Password, you’re prompted to set a numeric PIN or a
password you must enter to unlock your screen.
NOTE:
Screen lock options are listed in the approximate order of the strength of their security,
starting with None and Long press, which provide no security. A pattern provides
minimal security, although it can be more convenient than the stronger options.
Protecting Your Phone With Encryption
You can encrypt all the data on your phone: Google Accounts, application data, music
and other media, downloaded information, and so on. If you do, you must enter a
numeric PIN or a password each time you power on your phone.
WARNING!
Encryption is irreversible. The only way to revert to an unencrypted phone is to
perform a factory data reset which erases all your data.
Encryption provides additional protection in case your phone is stolen and may be
required or recommended in some organizations. Consult your system administrator
before turning it on. In many cases the PIN or password you set for encryption is
controlled by the system administrator.
Before turning on encryption, prepare as follows:
• Set a lock screen PIN or password.
• Charge the battery.
• Keep the phone connected to the charger.
• Schedule an hour or more for the encryption process. You must not interrupt it or
you will lose some or all of your data.
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