Do you mean the remote controller and the receiver ?
Sorry for the noob question since i am totally new of drone and i only have...
i have go through so many forum to study what should i fix before my 1st flight .
seem the runner adv have already fix so many problem which...
i will receive my 250 adv today and i am totally new of drone , so my 1st thing is to apply the FOD fix ? Thanks a lot !
Separate names with a comma.