If you're using the HTC 
		Messages app, here's how to add a signature. 
	 
 
  
 
	 - From the 
				Home screen, tap 
				 , and then find and tap 
				Messages. , and then find and tap 
				Messages.
-  
		Tap 
		  . 
		
-  
		Select the 
		  Use signature option, and then tap 
		  Signature. 
		
-  
		Enter the text you want to use as your signature, and then tap 
		  OK. 
		
 
		Note: The signature will count toward the text message's character limit.