Can you put a signature on an iPhone 4 for texting?
I have a girlfriend that wants me to put a signature on it for her.
Yes, in order to set your signature you should go to the settings. Second, select the messages option and tap the 'signature' option. For further details, check http://www.ehow.com/how_7534990_set-iphone-text-message-signature.html.
There's an app for that