Gordon, on my iPhone and iPad, the brightness of the displays are not what causes a shutdown (although that will drain the battery more quickly). It’s the ambient temperature. And of course anything on the dash of a car can easily overheat and be unusable for many minutes even when cooled.


BIAB 2026 Win Audiophile. Software: Fender Studio One 8, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Presonus Quantom HD8 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.