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If you really want a Dyson, a better firmware: https://github.com/tinfever/FU-Dyson-BMS

If you are OK on alternatives, YouTube channel ProjectFarm has some vacuum reviews.

Mine doesn't seem to have any problem with batteries. Just "airways blocked" error no matter what I do and the warranty/support service isn't very helpful. So I'm looking for a similar-or-better quality clone (cordless vacuum with the laser thing) but with better service.

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