A20M - Firmware Update Issue

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troy916
Posts: 1
Joined: Tue Aug 17, 2021 9:28 pm

A20M - Firmware Update Issue

Post by troy916 » Tue Aug 17, 2021 9:35 pm

I recently purchased an A20M and the 3D Touch V3.2. I'm trying to upgrade the firmware so that I can use the auto-level feature, but I can't seem to figure out how to do it. I've watched several videos and read everything I could find. I'm hoping someone can help.

Marlin 1.1.8, GT2560 V4.1.

I keep getting this message:
Screen Shot 2021-08-17 at 8.33.19 AM.png
Screen Shot 2021-08-17 at 8.33.19 AM.png (43.51 KiB) Viewed 960 times
Any help would be appreciated.

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Admin
Posts: 453
Joined: Wed Nov 30, 2011 9:49 am

Re: A20M - Firmware Update Issue

Post by Admin » Wed Aug 18, 2021 4:59 pm

Hello, you did not choose the correct COM, please refer to the link below to install the CH341 driver.
http://www.geeetech.com/forum/viewtopic ... 974#p81974

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