I have noticed that my iPhone keeps jerking. I notice this juddering especially when the iPhone has been in my pocket and the always on display is not switched off. Normally, the always on display is switched off by the proximity sensor. Sometimes it doesn't recognize this and the display in the pocket stays on. When I then unlock my iPhone and swipe across the home screen, it happens more and more often that it doesn't recognize my input and the display starts to jerk. It actually looks as if the refresh rate of the display has been reduced to 60 Hz or less. Instead of the actual 120 Hz. In addition, accurate input is not really possible. The iPhone sometimes does not recognize any input and generally does not behave like a pro model. I have tried all types of resets and none of them offer a permanent solution. Resetting by “pressing and releasing the volume up button, pressing and releasing the volume down button and then holding the power button until the Apple logo appears” sometimes helps less than switching off in general. I am currently on iOS 18.2 Developer Beta