Swipe the Status Bar downward, then tap the QuickRemote icon (in the Quick Settings bar), if necessary, to open a QuickRemote bar with all of the remotes you set up.
Select the remote you want by tapping the remote name at the top of the QuickRemote bar.
Tap the buttons on the displayed remote.
Tap the Full-screen icon (at the lower-right corner of the remote display) to view the QuickRemote in full-screen.
When adding a remote control for a TV, QuickRemote could use the INPUT button to configure the appropriate remote control. When configuring the INPUT button, the input source for the TV could be changed. To reset the input source of your TV, tap the INPUT button on the QuickRemote several times (depending on the number of devices connected to the TV).