Line 6:
Line 6:
'''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''' 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.
+
+
It probably had the connection fixes advertised for [[2.2]]. Many games such as Wii Sports were also rereleased under this IOS with a newer strap screen, probably in response to TVs getting smashed.
This [[IOS]] was used by older versions of DataChk, a factory title.
This [[IOS]] was used by older versions of DataChk, a factory title.