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How to Update Katana Mk2 Firmware? V2.0 for macOS - YouTube
KATANA MK2 FXFLOORBOARD for Firmware 2 (3rd party editor software) has had a new update : r/BossKatana
How to update the firmware for KATANA BASS! - YouTube
Boss Katana MKII Firmware V2 - New effects, EQ and IR options - gearnews.com
Katana - MIDI Control Options
KATANA-210 BASS: When connecting the amplifier to the BOSS TONE STUDIO, I got the message: "You are using an older System Program firmware version for KATANA BASS.". – Roland Corporation