Platform type

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CEX

C as in Consumer/Commerce. Standard device.

It is the most common type installed on commercial PS Vita devices.

No special feature is accessible unless there are QA flags or Diag Console Id.

It cannot load SELF restricted to DEX/Tool. (i.e. CEX allowed bit not set).

Diag

Category of CEX.

It cannot update the System Software and can use SELF files restricted to DEX/Tool.

DEX

D as in Debug. Testing Kit.

It has ability to downgrade the System Software.

It is possible to enter Show Mode with some button combos.

It has preinstalled Debug applications like Debug PS Store, ★Package Installer, ★Mini Debug Settings, ★Debug Settings in Settings, home ★Debug Utility.

Tool

Developer Tool Kit.

It has an additional PC interactive debugger called Communication Processor.

In addition some debuggers are enabled in the kernel as well.

It has an extra LED and mini USB/HDMI in the hardware.

It does not have a battery and is always powered by a 5V Power Adapter. The Communication Processor also has a small coin cell battery for the CP-RTC.

ToolDVT1

Category of Tool.

It uses a different button combo than Tool's in SceSblPostSsMgr.

ToolDVT2

Category of Tool.

It uses a different button combo than Tool's in SceSblPostSsMgr.

ToolRev4

Category of Tool.

It is automatically and infinitely activated.

It uses a different button combo than Tool's in SceSblPostSsMgr.

CEXPrototypeRev2

Unknown prototype.

It uses a different button combo than Tool's in SceSblPostSsMgr.

CEXPrototypeRev7

Unknown prototype.

It uses a different button combo than Tool's in SceSblPostSsMgr.