User's Manual
05
©2016 Hubsan
● Hazardous moving parts keep fingers and other body part away.
● Make sure that the A and B propellers are installed correctly. The X4 will not fly if
propellers are improperly installed.
5. PROPELLER
Attach the propellers to the corresponding motors that
are marked A and B,tighten the propellers and keep the
motors deadlocked with the U wrench.
4. QUAD COPTER UPGRADE
Upgrade firmwares via the USB port inside
battery compartment.
USB port