Zte N818S, Руководство пользователя

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85 - Settings
Before turning on encryption, prepare as
follows:

Set a PIN or password as screen lock.

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.
When you're ready to turn on encryption:
1. From the home screen, touch >
Settings > Security > Encrypt
phone .
2. Read the information about encryption
carefully.
The Encrypt phone button is dimmed if
your battery is not charged or your phone
is not plugged in. If you change your mind
about encrypting your phone, touch the
Back Key .
3. Touch ENCRYPT PHONE .
4. Enter your lock screen PIN or password
and touch NEXT .
5. Touch ENCRYPT PHONE again.
The encryption process starts and
displays its progress. Encryption can take
an hour or more, during which time your
phone may restart several times.
WARNING!
Do not interrupt the encryption process, or
data may be lost.
6. When encryption is completed, you're
prompted to enter your PIN or password.
Make Passwords Visible
Select whether or not phone and application
passwords are visible on the screen as you
enter them.

From the home screen, touch >
Settings > Security and turn Make
passwords visible on or off.
Device Administrators
You can disable the authority to be a device
administrator for certain applications. If
disabled, you will typically lose some authority
in those applications, such as the ability to
sync email or calendar events to your phone.
To select device administrators:
From the home screen, touch >
Settings > Security > Device
administrators , and then select a device
administrator and follow the prompts.
Unknown Sources
If you want to install apps from sources other
than the Google Play Store, you must allow the
installation of apps from unknown sources first.
1. From the home screen, touch >
Settings > Security .
2. Turn on Unknown sources and touch
OK .