im getting the same error
dgtool 1.1 i go down to Downgrade Firm to 10.4, i push A, and then Start and Select to confirm.
it says opening dgTool/firm104_Old.bin and */firm111_Old.bin.
8192/8192 Don't Power Off!
Done!
reErr:0 weErr:0
plus the size of the firm112_OLD.bin is 944kb whereas...