XNand Healer GUI v0.4 is released. XNand Healer GUI is a complete GUI to help you uncripple your Xbox 360. Now updated to check and fix NAND dumps!!! Requires Nandpro 2.0d or 2.0e and FindSecData 0.62.

XNand Healer GUI v0.4 Changelog:
* Big Block analysis and fixing now supported
* Now have the choice to fix NAND either from actual NAND or a virtual nand (image file)
* Added "CB" readout and exploitable indicator
* Added partial NAND analysis - can analyze images even if they don't start at block 0
* Added Absolute and Relative addressing in the Hex Viewer (to accompany partial NAND analysis)

Download: XNand Healer GUI v0.4
Source:Here