1653s upgrade firmware from 1213s?

im about to buy a new burner - is it possible to flash the 1213s into a 1653s? or a 1633s into a 1653s?
and will it be possible to upgrade the 1653s? i notice toshiba have a new 5x dual layer burner
or is it possible to flash a LG gsa4120b into a gsa4160b??
thanx guys and be well :slight_smile:

Please see [thread]110378[/thread].