【OEM Quality】100% perfect fit original replacement charging port USB dock flex cable with microphone and signal antenna for one by one by professional technicist before shipping. It will not cause your phone reboot loop. Fix these phone problems--Microphone and signal defective or charging port no working. Easy installation--Accurate charging port flex cable replacement part used to Replace the broken damaged part! Repair guide is not included. There are many related videos in YouTube for your reference. You can install it successfully if you are careful and patient.