Samsung SGH-I257ZKAATT - Manual (Page 204)

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Caution! When you disable a system CA certificate, the
Turn off button changes to Turn on, so you can
enable the certificate again, if necessary.
Touch OK to return to the certificate list.
6. Touch Install from device storage, then choose a
certificate and follow the prompts to install encrypted
certificates stored on the USB storage.
Note: You must have installed a memory card containing
encrypted certificates to use this feature.
7. Touch Clear credentials to erase the credential
contents from the device and reset the password.
Note: This setting only appears if you have installed
encrypted certificates.
Application Manager
You can download and install applications from Play Store or
create applications using the Android SDK and install them
on your device. Use Application manager settings to manage
applications.
Warning! Because this device can be configured with system
software not provided by or supported by Google or
any other company, end-users operate these
devices at their own risk.
Memory Usage
See how memory is being used by Downloaded or Running
applications.
1. From the Settings screen, touch More ➔
Application manager.
2. Touch DOWNLOADED, SD CARD, RUNNING, or ALL to
display memory usage for that category of
applications.
The graph at the bottom of the DOWNLOADED tab
shows used and free device memory. The graph at the
bottom of the RUNNING tab shows used and free RAM.
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