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screen. 
•  Encrypt phone: Encrypt your data on the phone to protect 
your privacy. See 
Personalizing – Protecting Your Phone With 
Encryption. 
•  Set up SIM card lock:   
  Lock SIM card: Activate or deactivate the PIN lock to 
require PIN before accessing the SIM card. 
  Change SIM PIN: Change the PIN used to access the 
SIM card. 
•  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. 
•  Storage type: Set storage type. 
•  Trusted credentials: Display trusted CA certificates. 
•  Install from phone storage: Install certificates from the 
memory card. 
Language and Input 
•  Language: Select a language and region for your system.