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!width="20%" |NUS Availability
!width="20%" |NUS Availability
!width="20%" |Status
!width="20%" |Status
β
|-
β
| IOS2 ([[System Menu]])
β
| 0.0, 0.1, 0.33, 0.64, 0.66, 0.97, 0.128, 0.130, 0.162, 0.192, 0.193, 0.194, 0.224, 0.225, 0.226, 1.0, 1.1, 1.2, 1.32, 1.33, 1.34, 1.70, 1.96, 1.97, 1.98, 1.128, 1.129, 1.130, 1.134, 1.160, 1.161, 1.162, 1.192, 1.193, 1.194, 1.198, 1.224, 1.225, 1.226, 1.230, 2.0, 2.1, 2.2, 2.6
β
| <mark>v0</mark>, <mark>v1</mark>, <mark>v33</mark>, <mark>v64</mark>, <mark>v66</mark>, v97, v128, v130, v162, v192, v193, v194, v224, v225, v226, v256, v257, v258, v288, v289, v290, <mark>v326</mark>, v352, v353, v354, v384, v385, v386, v390, v416, v417, v418, v448, v449, v450, v454, v480, v481, v482, v486, v512, v513, v514, v518
β
| The title ID used by the System Menu is what IOS2 would be, so the System Menu is in the IOS2 slot. Note that this is the only time a non-ARM binary is placed in an IOS slot. Switching to this slot loads the System Menu IOS.
β
| v97, v128, v130, v162, v192, v193, v194, v224, v225, v226, v256, v257, v258, v288, v289, v290, v352, v353, v354, v384, v385, v386, v390, v416, v417, v418, v448, v449, v450, v454, v480, v481, v482, v486, v512, v513, v514, v518
β
| Used for non-IOS purposes
|-
|-
| [[IOS3]]
| [[IOS3]]
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| v4, v5, v8, v9, v10
| v4, v5, v8, v9, v10
| Active
| Active
+
|}
+
+
== False positives ==
+
These IOS versions may be displayed by tools such as [[SysCheck]], but are not actual IOSes.
+
+
{| class="wikitable sortable"
+
! Apparent name
+
! Real name
+
! Purpose
+
|-
+
| IOS0
+
| ES_Identify Superuser
+
| This TMD is automatically installed when it is passed to ES_Identify, but its real purpose is to give superuser permissions to the ES_Identify caller.
+
|-
+
| IOS1
+
| [[boot2]] glitch
+
| This appears when something is installed into /title/00000001/00000001. This directory is normally unused, as 1-1 is reserved for boot2, but some homebrew (and possibly [[Dolphin]]) may incorrectly install it into this directory.
+
|-
+
| IOS2
+
| [[System Menu]]
+
| This will not show in most tools, but the System Menu uses ID 1-2, which may look like an IOS to a very basic tool.
+
|-
+
| IOS512
+
| [[BC-NAND]]
+
| Some tools released before the [[vWii]] may not know about BC-NAND and [[BC-WFS]], which are used as [https://wiiubrew.org/wiki/Ancast_image ancast images] to launch NAND and WFS titles respectively.
+
|-
+
| IOS513
+
| BC-WFS
+
| See IOS512
|}
|}