IOS4
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IOS4 was a very primitive IOS that was used by both the Startup Disc Menu and the System Menu used in the factory process. This IOS and the System Menu come preburnt at the factory, before any other discs are inserted.
| IOS4 | |
 | |
| Release | |
|---|---|
| Initial | boot2v0 |
| System Update | 3.3rev03 |
| Technical info | |
| Type | System Menu IOS |
| Status | Private Corporate IOS |
| Version | Signing bug? | STM Release Exploit? | Notes |
|---|---|---|---|
| v1 | Yes | ? | Used by the Factory System Menu and 0000. |
| v3 | Yes | ? | Used in Startup Disc Menu |
| v259 | N/A | N/A | Stub IOS found on Korean consoles. |
| v65280 | N/A | N/A | Stub IOS released in 3.3rev03. |