1. High quality earphone jack flex cable replacement for Samsung Galaxy A3 (2017) / A320 & A5 (2017) / A520 & A7 (2017) / A720. 2. This part is used to replace your damaged or unworkable one. 3. Each item has been checked and in good condition before shipping. 4. The installation of any new part should be done by a qualified person. We will not be responsible for any damage caused during installation.