Thanks, I will definetely give it a try. Can you help me to get some things clear? "ou cannot use files for firmwares 6.2.0-8.1.0 as the ChoiDujour PC application does not support " Does this mean, that I have to use something like 5.1 and I cant you 9.0 for example? And it says that I need keys.txt. I have prod.keys generated by Lockpick. Can I use them or can you point me forward a guide for getting keys.txt?i answer this in another thread but you can rebuild the nand