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6.4.0 Firmware for Prusa XL  

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jan.d.slay
(@jan-d-slay)
Reputable Member
RE: 6.4.0 Firmware for Prusa XL

Hello.It was about time!

I wish you every success in fixing the countless bugs and releasing a stable follow-up firmware!

I also hope that the software for the Core One will be revised as well. (Yes, I know this is a Prusa XL post.)

Quick start printing for Prusa XL and Prusa Core One
Comfortable display working height on the Prusa Core One
Reducing metallic resonance noises on the Prusa Core One

Posted : 05/02/2026 5:59 am
Jan Kratochvíl
(@jan-kratochvil)
Member Admin
Topic starter answered:
RE: 6.4.0 Firmware for Prusa XL

Put version 6.2.6 on the flash drive, insert it into the printer, and start the printer. While booting, rotate or repeatedly click the knob. The screen prompting to install 6.2.6 should appear.

Posted : 05/02/2026 6:11 am
Gerald
(@gerald-6)
Active Member
RE: 6.4.0 Firmware for Prusa XL

Bonjour 

Un grand merci a vous, vous venez de me re donner confiance en ma XL. Oui elle fonctionne parfaitement avec la V 6.2.6, mais j avait vraiment impatience que cette V6.4.0 soit installé car je reste convaincu que les améliorations prévues seront vraiment bénéfique. On attend de vos nouvelles avec impatience .  bonne journée à vous 

Posted : 05/02/2026 8:56 am
1 people liked
Prune
(@prune)
Active Member
RE: 6.4.0 Firmware for Prusa XL

at last ! 

To downgrade: https://help.prusa3d.com/downloads/xl

Keep up, Prusa, we know you can do better !

Posted : 05/02/2026 1:58 pm
1 people liked
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