On the Settings screen, touch Call settings to customize your call functions.

12.4.2 Turning on Data Roaming

1.On the Settings screen, touch Wireless & networks > Mobile networks.

2.Select the Data roaming check box.

Accessing data services while roaming may incur additional charges. Ask your wireless service provider about data roaming fees.

12.4.3 Switching off the Data Service

1.On the Settings screen, touch Wireless & networks > Mobile networks.

2.Clear the Data enabled check box.

12.5 Configuring Text-to-Speech

Use the Text-to-Speech settings to configure the Android text-to-speech synthesizer, for applications that can take advantage of this feature.

12.5.1 Installing Voice Data

1.On the Settings screen, touch Voice input &output > Text-to-speech settings > Install voice data.

2.If your mobile phone does not have speech synthesizer data installed, connect to Android Market and let it guide you through the process of downloading and installing the data.

3.Follow the instructions to install the voice data.

12.5.2 Adjusting the Speech Rate

1.On the Settings screen, touch Voice input &output > Text-to-speech settings > Speech rate.

2.Select a speed at which the text is to be spoken.

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T-Mobile U8680 Configuring Text-to-Speech, Turning on Data Roaming, Switching off the Data Service, Installing Voice Data