How to retrieve d forgotten password of Secure message box of HTC Desire 820?

[Nagacharan]

I've forgotten my password of secure message box , pls help me to retrieve it?

 

[Pravallika Pravz]

I've forgotten my password of secure message box , pls help me to retrieve it?

 

[chloe green]

I've forgotten my password of secure message box , pls help me to retrieve it?

 

[Arnold James]

Pravallika