nce this tweak is successfully installed on your iPhone, when you will receive new text message alert then on the top left and right of the alert you will be able to see two KTN icons. Simply you have to click on any one of the icon in order to keep your text message as new. To remove the alert simply click the close button. Now in the springboard of your iPhone you can find little notification badge which reminds you of that message.
Keep Text New Tweak is available in Cydia. It costs $1.25 USD. In order to install this tweak you will need to have a jailbroken iPhone. If you don’t have jailbroken iPhone then you can follow the step by step instructions posted here to jailbreak your iPhone on iOS 4.2.1 with Redsn0w.