KBC 2022| In relation to mobile phones micro USB lightning and USB type C are all common types of? By Saima Parveen - September 2, 2022 KBC 2022| Choose the correct option : Ques : In relation to mobile phones micro USB lightning and USB type C are all common types of? A. Speaker B. Cameras C. Charging ports D. Screens Ans : Option C, Charging ports