Firmware discontinued
The manufacturer has stopped releasing firmware updates for this device. Last known version: 4.0.1.
You can still add it to your rig to keep an inventory and track its used market price.
Download the .psy firmware file from polyend.com/downloads/medusa-downloads/. Copy it to a microSD card, insert into Medusa, hold LOAD + RECORD + PERFORM while powering on to enter bootloader mode, then select the firmware from the Config menu to flash.
Last firmware page →opens in a new tab — polyend.com