Actually, pixel shifting happens(Like 1hz to 120hz) on the S24 Ultra too, but it’s much more subtle so most people don’t notice it. On the S24 FE, the movement is slightly more visible because Samsung uses it as an AMOLED burn-in protection feature. ...
Brother This is the normal behavior of the phone's lockscreen, if it doesn't happen then the pixels of the AMOLED may burn. So small movements keep changing the position all the time.