microbox 1 or 2,
with any s/n,
no pay version,
working with keys from w3(position 7e),
13e 19e(some) 7w(pehla art),
erase flash first, then load fw,
checked now by myself,
thx to pakistani-forum,
http://www.speedyshare.com/PDJTn/NewMB-28122013.zip

Having very old s/n mb1 this firmware is the only option.