Boss SE-70 – Version 1.03 Firmware Upgrade Update OS chip SE70


Firmware for Boss SE-70

SKU: FW-41 Category: Tags: , , ,


Roland/Boss SE-70 – OS revision: 1.03

This is firmware update 1.03 and is the latest known official released operation system by Roland. This operation system update/upgrade requires one eprom chip.

How to check current version:

  • Hold [EXIT] and [UTILITY], while powering the device.
  • Press the following keys in the correct order [UTILITY] -> [PARAMETER <] -> [PARAMETER >] -> [CONTROL 1]


Version 1.03 upgrade is intended to iron out any remaining bugs affecting general stability and improve performance within the firmware code.


  • Fully verified before shipping and professionally packaged in anti-static material.
  • You may experience that the old OS eprom is soldered directly to the mainboard.