Changes

| [[IOS37]] || 8.22 || v2070 || first to fix the [[Signing bug|signature-checking function bug]] (NUS gives a 401 error on download attempt) || v2070

| [[IOS37]] || 8.22 || v2070 || first to fix the [[Signing bug|signature-checking function bug]] (NUS gives a 401 error on download attempt) || v2070

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| [[IOS38]] || 14.19 || v3609 || Introduced with ''Animal Crossing: City Folk''. Not yet analyzed but may have something to do with WiiSpeak. (Not on NUS)

| [[IOS38]] || 14.19 || v3609 || Introduced with ''Animal Crossing: City Folk''. Not yet analyzed but may have something to do with WiiSpeak. || Unavailable

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| IOS50 ||   || v4889  || distributed along with and used by [[System Menu 3.4]]

| IOS40 || || || Present in Korean system. ||

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| [[IOS51]] ||   || v4633  || used by new Shop Channel. released at same time as fixes to remaining fakesigning bugs

| IOS41 || || || Present in Korean system. ||

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| [[IOS53]] ||   || v4113 || comes with Need for Speed Undercover

| IOS43 || || || Present in Korean system. ||

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| [[IOS55]] ||    || v4633 || comes with Need for Speed Undercover. Seems to have changes in the DI Module. Loading the game with geckoos produces error #002. It can be an update for the new wireless USB Driving Wheel from Logitech, supported only by Need for Speed: Undercover.

| IOS50 ||    || v4889 || distributed along with and used by [[System Menu 3.4]] || v4889

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| IOS254 ||    || v2 || distributed along with [[System Menu 3.4]], copy of IOS9

| IOS254 ||    || v2 || distributed along with [[System Menu 3.4]], copy of IOS9 || v2

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