Best answer: Yes, the new Siri Remote will be backwards compatible with older models of the Apple TV 4K (2017) and even the Apple TV HD. It can be purchased separately starting on April 30, so you do not need to buy a new Apple TV 4K just to get the updated Siri Remote.
If your remote still isn't working as expected, try these steps:
Apple Remote (aluminum or white)
Use a Bluetooth Keyboard
Pair your Apple TV with your iPhone Open the Remote app. Click on Add Apple TV. On your phone, enter the code that appears on your TV screen. Now your iPhone is paired-up with your Apple TV and you can control it using the Remote app.
1:352:34If you need to do this on the latest siri remote hold the back button and the volume up button atMoreIf you need to do this on the latest siri remote hold the back button and the volume up button at the same time for 6 seconds. Then you should see a prompt in the top right hand corner to bring your
Hold down the Left and Menu buttons simultaneously until you see a pop-up on your Apple TV screen of a remote with two angled ovals. Once you see the pop-up, press the Right and Menu buttons simultaneously until you see the two ovals overlapping, which indicate pairing. Try using the remote once the pop-up disappears.
The buttons aren't backlit, but it's easy enough to memorize them by feel once you've used the remote for a while. There's a circular D-pad with a touchpad in the center.
How to set up the Remote app Manually
Pair the Siri Remote with Apple TV
Overpriced, but still worth it But unless you have a high-end programmable remote like a Harmony, the Siri Remote is likely your one and only way of interfacing with the Apple TV hardware. It's so important, and the old Siri Remote is so bad, that it's worth considering an upgrade to this new one.
One of the marketed new features for this remote is the ability to use the trackpad as a jog dial, by sliding your finger in a circular motion around the outside of it. This only works in compatible apps, like the TV app and HBO Max; the apps that use Apple's native video player UI.