IOS21


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
WiiDrawing.png
Technical info
TypeCommon IOS
StatusActive

This IOS was used by older versions of DataChk, a factory title.

Version Signing bug? ES_Identify / /dev/flash? STM Release Exploit? Notes
v512 Yes Yes Yes First release
v514 Yes Yes Yes
v515 Yes Yes Yes
v516 Yes Yes Yes
v517 Yes Yes Yes Available on NUS
v522 No No Yes
v525 No No No
v782 No No No
v1038 No No No
v1039 No No No
v1295 No No No Only found on vWii and newer RVL-101 units.