How can i use more than one direction light on mobile?

Hi
Iam making a game for mobile and i was render the game in SM5 iam Beginner so i dont know that there are many lighting not render on mobile like when i preview the game in ES3.1 the atmosphere fog render and i have 3 direction lights in tha map to light all direction i dont need any shadow in the map its not open world game its just cubes in tha map
in the mobile preview one direction light only works i found in the UE4 documents the no number limit for static direction light i set all to static and still one only works
so how can i use more than one i dont need any shadow in the game
sorry for my grammer i dont speak english