SHORT ANSWER
To Unpair a Firestick Remote: Go to Settings → Remote & Bluetooth devices → Amazon Fire TV Remotes → Select the Remote → Hit the Menu button & Select button.
Run along the steps to get the remote unpaired from your Firestick and TVs running under Fire OS.
Steps to Unpair Firestick Remote
When your Firestick is connected to two or more remotes, you might experience issues with the current remote. You can prevent this by unpairing the unused remotes from your Firestick.
- Go to Settings
After turning on your Firestick, you will be navigated to the Home Screen. Move the cursor to Settings, a Gear-Shaped icon from the list of icons available on the Home screen.
- Launch the Remote & Bluetooth Devices
From the settings menu page, you can see a few tiles. Among them, choose the Remote & Bluetooth Devices from the second row. You can use the navigational key on your remote to move the cursor to the tile.
- Click Amazon Fire TV Remotes
On the following page, click the Amazon Fire TV Remotes option from the list of options displayed on your device.
- Select the Remote
Then, highlight the name of the remote you want to unpair and hit the Menu button on your remote. Now, confirm your selection by clicking the Select button. Thus, you have unpaired the desired remote from your Firestick.
Can You Unpair Firestick Remote Without Using A Remote?
Yes, you can unpair the Firestick remote without using a remote. To do so, get the Fire TV remote app on your smartphone (App Store/Play Store) and pair it with your TV. Now, use the virtual remote on the app and perform the same steps to unpair your TV remote from the Firestick or TVs running under Fire OS.