QuickReply for SMS is a new Tweak available in Cydia store that is integrated within the native SMS and allows us to use the function QuickReply to quickly respond to text messages we receive, without leaving the application in use and in compliance graphic style “balloon” of the iPhone.

But its not free appplication and costs $ 2.99 and only works on firmware 3.0 or higher. Once installed we will not have to do anything. Every time you receive a message will open the usual pop-ups that will also enable us to respond. QuickReply for SMS is available on the BigBoss repository.

[Via ispazio.net]

How To Install QuickReply For SMS Via Mobile Terminal

Alternate Ways To Install:
Ssh your iPhone. You may see instruction on how to install .deb file via SSH. And make a folder called AutoInstall in/var/root/Media/Cydia/ so you have /var/root/Media/Cydia/AutoInstall which is case sensitive and drop this debs file in the autoinstall folder, reboot and respring your iPhone.

Note: After installation, you will not see an app icon, its a mobile substrate. When you get an sms all you have to do is press reply and you will get to use the QuickReply function.

[image via ispazio.net]