The "very often" part is wild to me. You'd think being an engineer himself[0] he'd fix the root cause: the testing process, not work as an IC QA himself.
[0] He holds the title of Chief Engineer at SpaceX.
Holding the title of engineer does not make one a good or capable engineer.
Does he use Android?
Even if he does, he for sure doesn't use a cheap and slow phone ordinary people use.