IOS21
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IOS21 is most commonly used by third-party games. It also contains the NAND Boot Program developer tool, just like IOS15. Most debugging messages have been removed, though.
| IOS21 | |
 | |
| Technical info | |
|---|---|
| Type | Common IOS |
| Status | Active |
This IOS was used by older versions of DataChk, a factory title.
Version history
| Version | Signing bug? | /dev/flash access? | ES_Identify? | STM Release Exploit? | STM IOCTL overflow? | SDI register index bug? | Notes |
|---|---|---|---|---|---|---|---|
| v512 | Yes | Yes | Yes | Yes | Yes | Yes | First release |
| v514 | Yes | Yes | Yes | Yes | Yes | Yes | |
| v515 | Yes | Yes | Yes | Yes | Yes | Yes | |
| v516 | Yes | Yes | Yes | Yes | Yes | Yes | |
| v517 | Yes | Yes | Yes | Yes | Yes | Yes | Available on NUS |
| v522 | No | No | No | Yes | Yes | Yes | |
| v525 | No | No | No | No | Yes | Yes | |
| v782 | No | No | No | No | Yes | Yes | |
| v1038 | No | No | No | No | Yes | Yes | |
| v1039 | No | No | No | No | Yes | Yes | |
| v1295 | No | No | No | No | Yes | Yes | Only found on vWii and newer RVL-101 units. |
| v26895 | No | No | No | No | Yes | Yes | Only found on Wii mini |