Ortur Laser Master 3 new firmware 210 fixes Skewing problem

This is a short video testing the new Ortur LM3 firmware 210. It does appear to fix the skewing problem.
Music:
Fanfare for Space by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. creativecommon...
Source: incompetech.com...
Artist: incompetech.com/
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[@Dahna_]

where can I get help with the firmware not upgrading? my new machine is just a brick