IOS history

This page is intended to track changes in IOS ( the operating system that runs on Starlet) such as: added features, bug fixes, etc.

It will also cover what different minor versions are known to exist.


Major Minor(s) Version Number(s) Notes NUS Availability
IOS4 0.3 v3 only has minimal drivers; possibly used during manufacturing and/or updating v65280
IOS9 2.4 v516, v520 Has only one LED pattern: blinking. first "normal" IOS version v520
IOS11 0.10 v10, v256 Internal timestamp says Nov 14 2006 16:26:01 v10, v256
IOS12 0.6 v6, v11 v6, v11
IOS13 0.10 v10, v15 v10, v15
IOS14 1.1 v257, v262 v262
IOS15 1.1, 1.4 v257, v258, v259, v260, v265 contains NAND BOOT PROGRAM. v257, v258, v259, v260, v265
IOS16 v257 only used for Wii Backup Disc Unavailable
IOS17 2.0 v512, v517 v512, v517
IOS20 0.12 v12, v256 Feb 22 2007 04:25:59 v12, v256
IOS21 2.2, 2.5 v514, v515, v516, v517, v522 contains NAND BOOT PROGRAM. most debugging messages are removed. v514, v515, v516, v517, v522
IOS22 3.4 v772, v777 v777
IOS28 5.8 v1288, v1292 v1292
IOS30 4.15, 4.16 v1037, v1039, v1040, v2576 starting with IOS30, firmware is divided into 15 modules. Added USB Keyboard support. v1037, v1039, v1040, v2576
IOS31 4.15, 4.16 v1037, v1039, v1040 v1037, v1039, v1040
IOS33 4.16 v1040 v1040
IOS34 4.15 v1039, v1040 v1039, v1040
IOS35 4.16 v1040 v1040
IOS36 4.18 v1042 v1042
IOS37 8.22 v2070 first to fix the signature-checking function bug v2070
IOS38 14.19 v3609 Introduced with Animal Crossing: City Folk. Not yet analyzed but may have something to do with WiiSpeak. Unavailable
IOS40 Present in Korean system. Unavailable
IOS41 Present in Korean system. Unavailable
IOS43 Present in Korean system. Unavailable
IOS45 Present in Korean system. Unavailable
IOS50 v4889 distributed along with and used by System Menu 3.4 v4889
IOS51 v4633 Used by new Shop Channel. Released at same time as fixes to remaining fakesigning bugs. v4633
IOS53 v4113 Comes with Need for Speed Undercover. v4113
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. v4633
IOS254 v2 distributed along with System Menu 3.4, copy of IOS9 v2