Following. My P3A behaves about the same. With mine there is often a long lag in the video. What I see on my iPad has been up to 5 seconds late. Doesn’t seem to matter which app i use dji go or litchi.
This may not be of any help however some food for thought. Recently my older MacBook computer froze up. It displayed a screen asking for a 6 digit code to unlock. Apple told me to bring it in along with proof of purchase and they would fix it. No proof of purchase no fix. Well I bought this...