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Slim Phatty Firmware
Posted: Mon May 12, 2025 10:57 pm
by Ococis
Hi,
Does anyone has any firmware version specifically for the Slim Phatty?
I was able to unbrick it but, i found some firmware that keeps the buttons inverted, it is driving me crazy.
Any help is appreciated.
Re: Slim Phatty Firmware
Posted: Tue May 13, 2025 4:54 pm
by stiiiiiiive
Hi Ococis.
What exactly do you mean by "buttons inverted"?
Re: Slim Phatty Firmware
Posted: Tue May 13, 2025 4:58 pm
by Ococis
stiiiiiiive wrote: Tue May 13, 2025 4:54 pm
Hi Ococis.
What exactly do you mean by "buttons inverted"?
the button layout is all changed IE
octave up puts the octave down
filter cutoff activares filter eg and vice versa
and goes on and on with all buttons activating a different function
i read it could be something to do with having a different firmware but i cant find the SlimPhatty specific FW anywhere
Re: Slim Phatty Firmware
Posted: Tue May 13, 2025 5:24 pm
by RobG - Moog Music
Please reach out directly to our support channel for further assistance. They can help get you up and running!
https://moogmusic-help.freshdesk.com/en ... ickets/new
Re: Slim Phatty Firmware
Posted: Wed May 14, 2025 5:03 pm
by stiiiiiiive
Ococis wrote: Tue May 13, 2025 4:58 pm
octave up puts the octave down
filter cutoff activares filter eg and vice versa
and goes on and on with all buttons activating a different function
Wow, I had never read about that.
Anyway ou have a track to follow thanks to RobG above

Re: Slim Phatty Firmware
Posted: Sun Sep 21, 2025 3:32 pm
by s17market
same happend to me as well, it seems the official Firmware Upgrade for the Slim Phatty is wrong.
its for the little phatty