SwitchBoard

SwitchBoard is a shell app that has been found in prototype iOS and iPadOS devices.

Use and availability
SwitchBoard is used for internal development by Apple, but has sometimes found in consumer units that had not been returned to factory settings after such use. SwitchBoard is not available to the general public and is sought after by hackers searching for vulnerabilities in iOS or iPadOS. Both iOS and SwitchBoard can be installed simultaneously, which each using its own data volume.

Apps
SwitchBoard resembles a rudimentary version of the default home screen (also known as SpringBoard) and is typically loaded with various diagnostic apps and utilities. Such apps are not publicly available and are often named with pop culture references.