trick for you bf4 

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&uact=8&ved=0ahUKEwiSot_hksfKAhUM12MKHUIpAyMQFggwMAM&url=https%3A%2F%2Fwww.vg247.com%2F2013%2F10%2F28%2Fbattlefield-4-guide-%25E2%2580%2593-multiplayer-tips-beginner%2F&usg=AFQjCNHPD6SO7y4-s8Y_KewXjaQNPJ9pVA&bvm=bv.112766941,d.cGc