Your not 'on' an IOS. The Wii has many IOS that are used for many different things. Each game uses a special IOS. You can use anytitle deleter to view the IOS you have.
you are "on" several as different ones are used by different games. backup launchers tend to run on 247 248 or 249. to see all the ios's you have installed use anytitle deleter
you are "on" several as different ones are used by different games. backup launchers tend to run on 247 248 or 249. to see all the ios's you have installed use anytitle deleter