IOS15
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IOS15 contains the "NAND BOOT PROGRAM" AKA "NANDloader". This was probably accidental.
| IOS15 | |
 | |
| Technical info | |
|---|---|
| Type | Common IOS |
| Status | Active |
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 titles using this IOS are older versions of the Wii Shop Channel, Forecast Channel, News Channel, and Internet Channel.
| Version | Signing bug? | ES_Identify / /dev/flash? | STM Release Exploit? | Notes |
|---|---|---|---|---|
| v257 | Yes | Yes | Yes | First release |
| v258 | Yes | Yes | Yes | |
| v259 | Yes | Yes | Yes | |
| v260 | Yes | Yes | Yes | |
| v265 | No | No | Yes | |
| v266 | No | No | No | |
| v523 | No | No | No | |
| v1031 | No | No | No | |
| v1032 | No | No | No | |
| v1288 | No | No | No | Only found on vWii and newer RVL-101 units. |