Thanks for the reply, Heimdall! Actually I am a newbie for the Xbox mod. I bought five duo x3s from Aliexpress.com. While I am trying to find some information regarding duo x3, I found this forum and could know duo x3 with 49lf002b is not available for flashing its bios. I would like to ask a few qu...

I should have known this before buying a bunch of duo x3s. The conclusion of this thread is that we can never flash bios on duo x3 with 49LF002B ?