User's Manual

The quad copter uses the 5.3-inch propellers which are marked by A and B.

Propellers are consumables, please replace with new ones if there is any damage.

4. PROPELLERS

Attach the propellers to the corresponding motors that

are marked A and B,tighten the propellers and keep the

motors deadlocked with the screw-driver.

● Keep the moving propellers away from your body as well as other people and any obstacles.

● Make sure that the A and B propellers are installed correctly. The X4 will not fly if

propellers are improperly installed.

Match the “I” mark on propellers to the “D” gap on

motor shafts when assembling, as figure 1 shown.

“I” Mark

“D”Gap

Black screw Silver screw

Tighten the A propeller with black screw;

Tighten the B propeller with sliver screw.

A B