1Open Device Info .

2Open the application menu and tap Diagnostics.

3On the screen that appears, tap Interactive.

4Work with the support agent to run and view results from one or more tests.

Run a custom application

If you are troubleshooting your device with a support agent, the agent may need to run a custom application on your device.

1Open Device Info .

2Open the application menu and tap Custom Application.

3Work with the support agent to enter the custom application name and run the application.

Change default applications

If you have more than one application on your device that can perform a particular function, you can change the default application to use for that function.

In addition, if you have more than one application on your device that can open a particular file type, you can change the default application to use for opening that file type.

1Open Device Info .

2Open the application menu and tap Default Applications.

3To find data types and file types for which more than one app is available, look for app names that appear in black type.

4Do either or both of the following:

To change the default application to use for different functions: Under Data Types, tap the currently displayed application for a given data type, and tap a different application.

To change the default application to use for different file types: Under File Types, tap the currently displayed application for a given file type, and tap a different application.

To override the default application setting when looking for the map location of an address, tap and hold the address, and then tap the application you want.

Use Certificate Manager

Certificates are digital documents that are used to authenticate and exchange information on networks. Certificates can be issued for a user, a device, or a service.

Install a certificate from USB drive storage

You can install a certificate that is located in the USB drive storage on your device. For information on copying a certificate into USB drive storage, see Copy files between your device and your computer.

1Open Device Info .

2Open the application menu and tap Certificate Manager.

3Tap and tap the certificate name.

Install a certificate from an email attachment

Open the email attachment (see Open email attachments), and then tap Trust Certificate.

150 Chapter 13 : Preferences