6.0 to 4.4.2?

Kinda of a small question? But is it possible to go back to 4.4.2 from 6.0 kinda like using the LG flash tool to get back to stock? Tried yesterday and got a model software error I never gotten before on 5.0 and below but when I got on 6.0 I can't flash to stock no more :/ hope there's some kind of solution might find it crazy I'm not to happy with the 6.0 myself for personal reasons.

Thanks in advance!!

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