How to go back to original firmware in TP-LINK Archer AX23?

Openwrt works well, but in case if I sell this device, customer might want the original firmware.

I tried the openwrt GUI, but it bricked. I debricked it. However, at debricking, on that http page I tried original ax23 images. They didn't work? How to make them work? Do those TP-LINK original firmwares don't have u-boot on them or something? Maybe I need to