If you purchased the TV from a specific retailer, their service department often has access to the official firmware repository for that brand.
Third-party firmware might change the IR codes, making your original remote unusable. 💡 General USB Update Procedure Download MSD6586 T8E2 3840x2160 Noa Vision part01 rar
Unplug the TV, insert the USB, then plug it back in while holding the button on the TV until the "Upgrading" screen appears. If you purchased the TV from a specific
Ensure the firmware is specifically for the 3840x2160 variant. insert the USB
Contact the manufacturer directly through their official support page to request the part01.rar file. You will likely need to provide your TV's serial number.