To remove installed apps from SSSP2 and SSSP3 devices with the URL launcher, for example to uninstall Samsung Magic Info, follow the steps below.
On SSSP4 and newer devices, apps can be uninstalled directly on the screen.
1) Press the "Home" button on the remote control.
2) Go to "Change URL" in the top-right corner.
3) Using the virtual keyboard or a USB attached keyboard, type $DEL, and press "Done".
4) Go to the URL Launcher. That's it!