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Device Administrators
You can disable the authority to be a device administrator of certain applications. If disabled,
you will typically lose some functionality in those applications, such as the ability to sync new
email or calendar events to your phone.
1.
Press Home
administrators.
2.
Touch an application you want to disable the authority to be a device administrator.
Unknown Sources
Follow the steps below to allow installation of non-Play Store applications.
1.
Press Home
2.
Touch Unknown sources > OK.
Credential Storage
These options let you control how your phone accesses and stores secure certificates,
passwords, and other credentials.
Trusted Credentials
You can see the trusted credentials on your phone's system.
1. Press Home
2. Touch an item to read the information.
Install from SD Card
You can install encrypted certificates from the SD card.
1.
Press Home
2.
Touch an available certificate.
3.
Follow the onscreen instructions.
Clear Credentials
You can remove all the credentials on your phone.
1.
Press Home
2.
Touch OK.
Settings
> Menu
> System settings > Security > Device
> Menu
> System settings > Security.
> Menu
> System settings > Security > Trusted credentials.
> Menu
> System settings > Security > Install from SD card.
> Menu
> System settings > Security > Clear credentials.
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