PeaceAlshanPVT 16A13580x

Background
This build is most likely based on an internal build of iOS 12.0. It was first found on an iPhone XR prototype but may support other devices. It has appeared on other iPhone XR prototypes and test devices, some of which were sold on Idlefish (such as the logic board from which the screenshot was taken from).

It also contains additional test firmware, such as Diags, Alamo, etc.

Applications
Upon booting to SwitchBoard.app, the following applications are shown:
 * AltoMobile
 * NonUIConsoleViewer
 * Spelunx
 * OrbCal
 * Reliability
 * Sequencer
 * FactoryStencil
 * USBHost
 * WiPASmini

Additional applications are hidden.