Open the QuickRemote app and choose the room where you configured the remote.
Select the remote you want to use by tapping its type/name on the QuickRemote bar along the top of the screen.
Quickly access QuickRemote from the Notifications panel (tap the QuickRemote icon in the Quick settings bar, if necessary), then tap the remote type/name in the bar above the displayed remote.
Tap the buttons on the displayed remote.
When adding the TV remote control, QuickRemote could use the INPUT button to configure the appropriate remote control. When configuring the INPUT button, the TV input source could be changed. To reset the TV input source, tap the INPUT button on QuickRemote several times (depending on the number of devices connected to the TV).