The Playstation 5 DualSense controller only works in the main menu, not in games.
Xbox Support on X: "⚠ To replace a controller, enter the controller's serial number in the link tweeted below ⤵ Serial numbers are inside the battery compartment, under the barcode. Xbox Elite
How to reset a PS5 DualSense controller
PS5 Controller Not Working? Here Are A Few Solutions: – Custodi Exitus
The serial number of my Dualshock is missing. Where can I find it? I need it to send it in. : r/PS4SupportPage
Roc6d on X: "Controllers look the same on outside but have different writing on the back The FCC-ID and IC-ID have "a" after each serial also CFI-ZCTWa Also updated logos/copyright and maybe
How to Find Serial Number & Model Number on PS5 Controller (Dualsense) - YouTube
Can you track a PS5 by a serial number? - Quora
How To Find BDM Number Of PS5 Controller (Easy)
How to Find Serial Number & Model Number on PS5 Controller (Dualsense)
PS5 Black DualSense Controller and Testing Kit Seen In New Images