blaKCat released AutoGG 0.2.9b:
The AutogGG is a program that helps you to:
- Read the Nand of the Xbox. Autodetect the model.
- Generate Nand to load Xell in console to obtain Cpukey.
- Once you have CpuKey.Generate Jtag / rgh (Glitch) / Retail, images
- Flash generated Nand through programmer (LPT/USB) or software (Xell or Dash)

But AutoGG also allows many more options (Addons)
- Change temperature sensors on the console.
- Change data in the console: Serial, Reader Type (Osig), Region and dvdkey.
- Map / unmap Bad Blocks.
- Inject / Extract specific data from the console. to repair corrupt nands
- Decrypt X-Val to check marks on console by Microsoft.
- UnCripple to try to clear the console marks,
- Make only a partial reading of only 1Mb of Nand then read the rest through Xell and finally merge to get the full Nand much faster (Recommended for slow nands readers LPT)
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Official Site/Download: elotrolado.net