This is how it works.
Switch between your Xbox and PC or mobile device
First, keep in mind that this only works with the new Xbox Series X and S controllers. It will not work with the older Xbox One controllers. You can quickly tell the two apart because the new controllers have a Share button in the center of the controller, just below the Xbox button.
If you didn’t know, you can pair your Xbox controller with another Bluetooth device, such as a PC or smartphone. This is especially useful if you are playing games remotely over a local connection or streaming games over the internet.
To connect your Xbox controller to a new device, press and hold the sync button for about three seconds until the Xbox button flashes repeatedly. Now complete the pairing procedure on the device you are trying to pair with as you normally would.
Once successfully paired, switching between your devices is easy. Double-tap the sync button to go back to your Xbox. To use a secondary device, press and hold the sync button for about two seconds. The Xbox button will blink once or twice before becoming solid to indicate that you are paired.
Note that if you press and hold the sync button for too long, the controller will enter pairing mode (and blink indefinitely). This allows you to pair the Xbox controller with another device. With a little practice, you can estimate how long you need to hold the button to invoke a device.
You can only pair the controller with one Xbox and one other device at a time.
Connect to Xbox or other device at startup
If you press and hold the Xbox button on your controller, your console will automatically turn on. But what if you want to use the controller with another device without turning on your console first?
You can do this by pressing and holding the sync button for about two seconds. The controller needs to turn on, search for the last known device and connect to it, all without turning on your Xbox. If you double-tap the sync button to return to Xbox mode while the console is off, the console will start automatically.
To remember: If you want to connect to a new device (like a friend’s phone, for example), press and hold the sync button until the Xbox light blinks indefinitely (about three seconds) to skip automatic pairing.
Get more from your Xbox controller
Microsoft hasn’t changed much on the Series X and S controllers, which is great for PC and mobile gamers who are used to using their gamepads with more than just an Xbox.
The biggest problem you may have in the future is powering the controller, so learn how to keep your Xbox controller’s battery running even further.
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