ZTE sub-brand nubia has confirmed a few features of the Red Magic 3S that's slated to go official on September 5 at an event in China. The company released posters confirming features like 90Hz screen, 4D Vibration Feedback, and 3D Surround Sound on the Red Magic 3S. Well, that's hardly a surprise as these features were present on the Red Magic 3 as well. nubia Red Magic 3S confirmed features nubia also revealed that Red Magic 3S will feature LR Shoulder Buttons (machine translated from Chinese) which are likely to be similar to the capacitive triggers we saw on the right...