


That change will be instant, with grayscale off the iPhone will exit out of black and white mode and you’ll be back to a color display.

Fixing an iPhone Stuck in Black & White Mode We’ll get around to changing that in just a moment. In the case of the phone getting stuck in black and white, that zoom mode gesture usually has a filter set for grayscale mode. In the case that I experienced where grayscale mode was inadvertently turned on, the setting was somehow toggled on in the persons pocket, much like how people can often accidentally get stuck in zoom mode on iPhone. Grayscale mode in iOS strips the colors out of the display, it’s an accessibility option and has many valid uses for users particularly who are color blind or have vision difficulties. First, let’s understand what’s going on: Your iPhone screen is showing as black and white because the grayscale setting has been turned on, whether intentionally or not.
