IOS15
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IOS15 was previously used by some official channels; it has not been stubbed because the Internet Channel, which could not be updated through standard updates, previously used it.
| IOS15 | |
 | |
| Technical info | |
|---|---|
| Type | Specialized IOS |
| Status | Active |
This IOS contains the NAND Boot Program; it seems to be a slightly modified version of v1.21 that patches the Internet Channel.
In the past, this IOS was often used by homebrew, as it is one of the only known IOSes that is safe to downgrade on RVL-CPU-20 Wiis. It was then used to patch the signing bug back into newer IOSes, like IOS36.
The only difference between IOS14v257 and IOS15v257 is that the NCD version changed; this was most likely to allow IOS15 to be updated without causing problems with Pokémon Battle Revolution.
Titles using this IOS
None of the latest versions of these titles use IOS15.
Version history
| Version | Signing bug? | /dev/flash access? | ES_Identify? | STM Release Exploit? | STM IOCTL overflow? | SDI register index bug? | Notes |
|---|---|---|---|---|---|---|---|
| v257 | Yes | Yes | Yes | Yes | Yes | Yes | First release |
| v258 | Yes | Yes | Yes | Yes | Yes | Yes | Added NAND Boot Program, and updated Starlet code |
| v259 | Yes | Yes | Yes | Yes | Yes | Yes | Removed NAND Boot Program; this version is identical to v257, only with a different build tag |
| v260 | Yes | Yes | Yes | Yes | Yes | Yes | Added back NAND Boot Program; the Broadway code is identical to v258, but the Starlet code was changed. |
| v265 | No | No | No | Yes | Yes | Yes | |
| v266 | No | No | No | No | Yes | Yes | |
| v523 | No | No | No | No | Yes | Yes | 4.2 update |
| v1031 | No | No | No | No | Yes | Yes | 4.2rev04 update. In addition to the fixes to all IOSes, the NAND Boot Program was removed, for the last time. |
| v1032 | No | No | No | No | Yes | Yes | |
| v1288 | No | No | No | No | Yes | Yes | Only found on vWii and newer RVL-101 units. |
| v26888 | No | No | No | No | Yes | Yes | Only found on Wii mini |