When I enter the Slowmotion mode only 1080 X8 is available. It shows on the left of the screen and is greyed out. Nothing happens when I tap on it. How to I get into the X4 mode?

I'm using the iPhone 13 Pro.

Hi there. Thank you for reaching out and we're sorry for the trouble. Can you please confirm what specific DJI Product are you using? Please keep us posted. Thank you for your valued support.

I have the OM 5 and using it with MIMO.