Samsung Galaxy S III User Manual page 355

Security Setting
Device administrators
Unknown sources
Verify apps
Security policy updates
Send security reports
Storage type
Trusted credentials
Install from phone
storage
Clear credentials
Access Security Settings
Before using any features that require location assistance, you must enable your location services.
1. From home, tap Apps
 The Security settings menu opens.
Settings
Description
View or turn off device administrators.
Allow or deny installation of apps from sources other than the Google
Play Store app.
Block or warn before installing apps that may cause harm to your phone.
Increase protection on your phone by updating the security policy.
Send security reports to Samsung via Wi-Fi for threat analysis.
Back your security credentials to hardware.
Display trusted CA certificates.
Install certificates from storage.
Remove all credentials from the phone.
> Settings > More tab > Security.
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