4.2rev04

4.2rev04 update
Date history
Release date	June 22, 2010 June 22, 2010 June 22, 2010 June 22, 2010
System
New IOS	IOS80
CDN-added IOS	IOS58
CDN-updated IOS	IOS9, IOS12, IOS13, IOS14, IOS15, IOS17, IOS21, IOS28, IOS31, IOS33, IOS34, IOS35, IOS36, IOS37, IOS38, IOS55, IOS56, IOS57, IOS61
Links
Wiimpersonator log (U)
Wiimpersonator log (E)
Wiimpersonator log (J)
Wiimpersonator log (K)
Version History
Preceded by	4.2rev03
Major revision	4.2
Succeeded by	4.3

The 4.2rev04 update was a batch IOS update released shortly before 4.3, much like 3.4rev02. It provided various enhancements to IOSes in addition to blocking homebrew. IOSP, ES, and SDI were updated to versions built on March 1, 2010.

Changes

• IOS9 now has a build tag
  • This version of IOS9 was released in Japan in 4.3
  • IOS21 still has this patch
• Several IOSes have been replaced with copies of other IOSes
  • IOS13, IOS14, and IOS15 have been replaced with copies of IOS17
    • These copies only differ in the version number stored in NCD
    • IOS15 no longer has the NAND Boot Program
  • IOS31, IOS33, and IOS34 are now identical
    • Note that IOS35 and IOS36 were already identical to IOS31
  • IOS37 and IOS53 have been replaced with copies of IOS55
  • In Korea, IOS43 was replaced with a copy of the code used for IOS41, IOS45, and IOS46.
• Added IOS80 to prepare for 4.3.
• ES now creates /wfs on startup, although it is not used.
• Homebrew fixes
  • Fixed HackMii Installer Userland+Syscall IOS exploit in all IOSes (including IOS58, which was previously not on NUS)
  • ES_AddTitleFinish now checks signatures
  • In Japan, IOS9, IOS57, and IOS61 were not updated, instead being updated in 4.3.
• Updated EULA in E and K regions.