I took my XS on vacation. While driving around sightseeing, I had to charge my phone. I plugged my phone into the car’s USB via lightning connector. When I tried to take some video, the XS would just pulsate. Like it’s trying to focus over and over again. This problem is totally repeatable for me. Tried it on two different cars with the same result. Can anyone else test it out and let me know if their phone does the same?