Motor problem

Tim7374

New member
hi guys, I am new to the hobby and is building my first drone. when I opened the throttle using my controller the motors doesn't spin at the same time. I am using an omnibus F4 flight controller and a HAKRC 4 in 1 ESC. any fix?
 

Tim7374

New member
hi guys, I am new to the hobby and is building my first drone. when I opened the throttle using my controller the motors doesn't spin at the same time. I am using an omnibus F4 flight controller and a HAKRC 4 in 1 ESC. any fix?
To add, my ESC is 30A