Update: so I got ahead with updflash.bin (after XebuildGUI).
XBOX360 NAND Flash wrote back with same Bad block number but completed.
I do notice my dashboard are now 16747. So I also lost my Avatar/Kinect data.
I used your steps 5.
It took me while to keep trying.. yes I followed XeBuildGUI...
How does bad blocks automatically remapped? I mean do I need to do anything different/Extra? I have dump my flashdmp.bin and ready to run xeBuildGUI to create a new upflash.bin with kernel 16747 then flash back upflash.bin.
Buttom line : Is there any steps? or just continue what I am doing...
Could you please help? My Xbox is RGH1 Jasper 16megs using Freestyle 3. I wanted to update to kernel 16747.
So I I used "simple 360 NAND flasher" . During the Nand dump had ONE bad block but it completed dumping flashdmp.bin. Example: "game:\flashdmp.bin opened ok. attempting to read...