Controller not connecting to Xbox (series s) after using Bluetooth

Any controller used to connect to a mobile device, needs to be Bluetooth. The Xbox series One Elite controller isn't and depending on which generation of standard controller you have, would determine if it had Bluetooth capabilities. The ones that do are
the ones that came out for the Xbox One S.

Hi,

The Series S and X controllers work on same devices the earlier controller can connect to. This includes:

Xbox One Game receiver for Windows 10

Bluetooth (PC, Android, iOS)

Xbox One, One S, X and Series X/S.

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This controller does not support xCloud. These are the controllers you can use.

Official Xbox controllers

Xbox Wireless Controller (Bluetooth or USB connection)

Xbox Elite Wireless Controller Series 1 (USB connection only)

Xbox Elite Wireless Controller Series 2 (Bluetooth or USB connection)

Xbox Adaptive Controller (Bluetooth or USB connection)

it uses wifi that the xbox has a receiver and sender for, similar to the microsoft pc wireless adapter but obviously built into the console.

no bluetooth at all. there is not a single bluetooth chip in the console, the modern xbox controller connect via wifi to the console or bluetooth to phones and pc if not using the adapter for pc. only the controller has bluetooth and this is basic at best.

Does the Xbox Series X or Series S support Bluetooth? | Windows Central

No Bluetooth for Xbox Series X

The Xbox Series X doesn't have Bluetooth, similarly to the Xbox One, Xbox One S, and Xbox One X. The reason is simple; the Bluetooth signal isn't strong enough to meet Microsoft's specifications for latency. Microsoft uses its proprietary signal, dubbed Xbox Wireless, for connecting controllers and other accessories, like the Turtle Beach Stealth 600 and the SteelSeries 9X wireless headsets.

Microsoft's signal is far stronger than Bluetooth. Since many people typically game while sitting far away from their consoles in the living room or so on, Bluetooth's susceptibility to interference increases exponentially at longer ranges. If you were hoping you could use a USB Bluetooth adapter, it wouldn't work either, as the Xbox Series X and other Xbox One consoles don't have the drivers necessary to power them.

You can use a regular Xbox One controller on an Xbox One S console, and you can use an Xbox One S controller on a regular Xbox One console.

All controllers connect to the Xbox console the same way, via proprietary RF.

If you are confused because of the addition of Bluetooth in the Xbox One S, just know that Bluetooth is only built into the Xbox One S controller (there is actually no bluetooth functionality in the Xbox One S console itself). The Bluetooth in the controller
is just a secondary method of wireless connectivity designed solely for connecting the controller to a Windows 10 PC via Bluetooth (without the need of a
USB adapter). It connects to the Xbox One/One S the same way as the original controllers do.