Zte Whirl Z660G, User Manual

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2. Charge the battery.
3. Keep the phone connected to the charger.
4. 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. Touch the Home Key > Menu Key > System settings >
Security > Encrypt phone .
2. Read the information about encryption carefully.
The Encrypt phone button is dimmed if your battery's not
charged or your phone's not plugged in.
If you change your mind about encrypting your phone, touch
the
Back Key .
WARNING! If you interrupt the encryption process, you will
lose data.
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.
When encryption is completed, you're prompted to enter your PIN
or password.
Subsequently, you must enter your PIN or password each time you
power on your phone, to decrypt it.