Devices / Makers & open firmware / Prusa MK4S

Prusa MK4S firmware

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Latest firmware: —
Released: —
Category: Makers & open firmware
Last checked: —

How to update the Prusa MK4S

Download the firmware for your exact printer from help.prusa3d.com/downloads.
Copy the .bbf (MK4, XL, Core One) to a USB drive, insert it, and confirm on the printer.
Or use PrusaSlicer's firmware updater over USB for older MINI and MK3 boards.

Always download firmware from the manufacturer or project itself. Firmwarely links out; it never hosts firmware.

What changed

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FAQ

How do I update the Prusa MK4S?

See the step-by-step above. Follow the project's release page for the flashing or OTA procedure. Many maker devices update from a web installer or the project's desktop app.

How does Firmwarely know when there's a new version?

Every night we read the manufacturer's official release page and record the version, date and changelog. If anything changed, subscribers watching this device get an email.

Is this an official Prusa page?

No. Firmwarely is independent. Device and brand names belong to their manufacturers; always download firmware from the official source.