Personal Settings  216 
Register your fingerprint for unlocking the phone and quick-open apps, or 
manage other fingerprint functions that do not need verification 
Keep the phone unlocked when connected to trusted devices, in trusted 
places, unlocked by trusted faces or voices, or as long as you keep 
holding or carrying the device 
Note: You need to sign in to your Google Account on the phone to use 
this feature. 
Encrypt all data on your phone. This feature is enabled by default and 
you can use it to further protect your phone while setting a screen lock by 
requiring your pattern, PIN, or password before the phone starts up. See 
Screen Lock 
Turn on/off nano-SIM card lock or manage the PIN 
Toggle to show or hide passwords when entering form data 
View or turn off device administrators 
Allow or deny installation of apps from sources other than the Google 
Play store app 
Check the credential storage type 
Display trusted CA certificates 
View and modify stored credentials 
Install certificates from the phone storage or an optional installed SD card 
Clear the credential storage and delete all certificates 
View or deactivate trust agents 
Keep a screen of your choice in view, so that others cannot switch to 
other apps and access your personal information 
Turn on or off some apps' access to your phone usage information 
 
Access Security Settings 
1.  From home, tap Apps   > Settings  .