Propeller - Xiaomi Mi Drone Instructions Manual

d) Propeller
Set propellers according to colored labels on them. Secure the propeller
scrolling aside its image of a closed lock.
In flight, propellers can automatically scroll. Make sure its strongly fixed.
When disassembling the propeller, please use a wrench that comes with
the kit to clamp the motor and blades put aside an image of an open lock.
Installation and disassembly
Note: If propeller is damaged, replace it for efficient and safe
flight.
Lock a propeller
8
Unlock a propeller
Color label