Zte Whirl Z660G, Руководство пользователя

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lock screen.

Encrypt phone: Encrypt your data on the phone to protect
your privacy. See Personalizing
– Protecting Your Phone With
Encryption .

Set up SIM/RUIM card lock: Use the PIN lock SIM card or
change SIM PIN.

Make passwords visible: Display passwords as you enter
them.

Device administrators: View or deactivate apps you have
authorized to be device administrators.

Unknown sources: Check this option to permit installation of
apps from sources other than the Play Store.

Trusted credentials: Display trusted CA certificates.

Install from SD card: Install certificates from the memory
card.

Clear credentials: Delete all certificates.
Backup and Reset

Back up my data: Back up app data, Wi-Fi passwords, and
other settings to Google servers after you sign in to your
Google account.

Backup account: Back up accounts and accounts data.

Automatic restore: Restore previously backed up settings
and data when you reinstall an app.

Factory data reset: Reset your phone to factory default