By default, iPhone displays the number of missed calls, unread email and SMS in the form of bubble. StatusNotifier is a free application that puts these status in iPhone’s status bar. So now, even you’re in the lock screen of iPhone, you know if you miss any calls / email / SMS. StatusNotifier is now available to download via Cydia and supports firmware 2.x. Installation of StatusNotifier is pretty straightforward, as long as you know how to use Cydia to install application. However, after installation, you have to reboot your iPhone in order to StatusNotifier to take effect.
StatusNotifier also works with WinterBoard to display large icon on lock screen, whenever you have missed calls, unread SMS or email. By default, this feature is not enabled automatically. You have to enable “Lock Status” in Winterboard to take effect.