If hair gets tangled in the brush of the Xiaomi Robot Vacuum S40, please refer to the following steps to troubleshoot:
1. If hair is wrapped around the brush end cover, pull out the end cover to remove the tangled hair;
2. After cleaning, reattach the brush end cover to the brush and reinstall the brush into the robot vacuum. Close the brush cover before using the robot vacuum again.
Note:
1. After solving the stuck problem, try to place the robot vacuum in a nearby cleaned area to continue cleaning if you need;
2. Please try to tidy up the debris at home before cleaning to avoid the robot vacuum getting entangled while cleaning.