This firmware is for units whose serial number is prefixed with "MEXT".
As far as I'm aware these units cannot be updated via MIDI.

If anyone out there has a more up to date version for this range then please upload it the rom archive at:

http://dbwbp.com/index.php/9-misc/37-synth-eprom-dumps


EEPROM - 1 x SST (MTP) 27SF512 (DIP28) (XT2001 V2.5.0)