4.2rev04
| 4.2rev04 update | |
 | |
| Date history | |
|---|---|
| Release date |  June 22, 2010
 June 22, 2010 |
| System | |
| System Menu IOS | IOS80 |
| New IOS | IOS58, IOS80 |
| CDN-updated IOS | IOS9, IOS12, IOS13, IOS14, IOS15, IOS17, IOS21, IOS28, IOS31, IOS33, IOS34, IOS35, IOS36, IOS37, IOS38, IOS55, IOS56, IOS57, IOS61 |
| 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 added signature checks to ES_AddTitleFinish and fixed the HackMii Installer exploit.
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