Roland U-220 firmware OS upgrade v 1.02

This is firmware revision 1.02 and is an official released operation system by Roland in 1990.

To check current OS version:

  1. Press [Jump] and [VALUE ] simultaneously.

  2. Press [Enter], while pressing [MARK] and [JUMP]


  • OS 1.02 provided general stability to the midi communication and correction to the main system.

  • Modified demo song.

  • Fixed a bug with velocity on the acoustic and electric piano tones

ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.learn more
  • JV880

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