The speaker used to listen to the conversation on the receiver side is the ear phone. The ear phone of HTC one X can be damaged by water ingress, liquid intrusion or fluid insertion. Another cause may be dust or tumbling on the floor. A fixable ear piece means either no voice is received or broken voice is listened.
Our technicians are able enough to spot the fault and its cause. Our service centre is committed to make repair or replace by using genuine components. You can visit our service store, have a live chat with us, call us at o4 4211494 or email us at firstname.lastname@example.org you can avail FREE PICK & DROP SERVICE for your damaged HTC one X.