Mova P50 Pro Ultra - SideBrush Doesn’t Extend to Clean Corners

Hi, I’ve just got the Mova P50 Pro Ultra for about 2 weeks and I’ve set it to vacuum every week. Initially I saw the sidebrush extending frequently in the first few runs. However, this week I no longer see the sidebrush extending to clean corners. Actually, the sidebrush is not extending at all. I notice that I have “intelligent” in the Frequency setting (in the “AI Mop Extension” menu”. Can you please explain the “intelligent” mode determines when the robot needs to extend the sidebrush?

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Hi, if you set the frequency to "high frequency", does the side brush extend normally?