User Guide

Security

Reset connection permissions for third-party applications

1.On the Home screen, click the Options icon.

2.Click Security Options.

3.Click Firewall.

4.Press the Menu key.

5.Click Reset Settings.

About direct Internet connections for third-party applications

Some third-party applications that you add to your BlackBerry® device might require a direct TCP or HTTP connection to the Internet. For example, a stock price application might need to connect to the Internet to retrieve the latest stock prices. You might have to set the APN that the third-party application uses for this connection.

Set up a direct Internet connection for a third-party application

To obtain the user name and password for the APN, contact your wireless service provider.

1.On the Home screen, click the Options icon.

2.Click Advanced Options.

3.Click TCP.

4.Type the APN information.

5.Press the Menu key.

6.Click Save.

Turn on safe mode

When you start your BlackBerry® device, you can turn on safe mode to prevent third-party applications from running automatically. This safe mode enables you to troubleshoot or remove any unwanted applications.

1.Remove and reinsert the battery.

2.When the red LED light goes out, press and hold the Escape key as the device is loading.

3.When the dialog appears, click OK.

When safe mode is on, a safe mode indicator appears in the device status section of the Home screen.

To turn off safe mode, repeat step 1.

Set permissions for a third-party application

Note: Changing permissions for third-party applications can significantly affect the operation of applications on your BlackBerry® device. For more information about how changing these permissions might affect the operation of the applications on your device, contact your wireless service provider or administrator.

1.On the Home screen, click the Options icon.

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Blackberry 3980228 manual Reset connection permissions for third-party applications, Turn on safe mode