Hello myk3le,
I also have a VTO3211D (Gen 1 version) and I am currently trying to unbrick it.
I am following your tutorial step by step and facing an issue.
Commands file looks fine :
tftp 0x82000000 kernel.img; flwrite
tftp 0x82000000 partition-x.cramfs.img; flwrite
tftp 0x82000000...