Make sure you have installed Go SMS Pro Application on your device.
Theme includes two different popup options.

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FEEDBACK **

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Run Go SMS. Press Theme -> download icon in upper right corner -> Mine ->
choose theme.
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If you want to use popup, press popup icon bottom right corner of 'Mine'
window and choose the popup.
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In this window you can choose the default popup or press
the picture of the theme for a second popup and hit apply.
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