[SN changer MKWII - mdmwii - PAL] aka buTT-Saver
C20Ed018 00000002
80C30004 38C600TT
90C30004 00000000
[SN changer MKWII - mdmwii - NTSC-j] aka buTT-Saver
C20ECF38 00000002
80C30004 38C600TT
90C30004 00000000
[SN changer MKWII - mdmwii - NTSC-u] aka buTT-Saver
C20ECF78 00000002
80C30004 38C600TT
90C30004 00000000
TT= digit ADDED to your serial number. I suggest you to start with 01. If they ban you again your serial number then increase to 02 and so on.
IF YOU CHANGE IT AGAIN YOU NEED TO CREATE A NEW ACCOUNT TO MAKE IT WORKING.