This Technique or trick is used to track unknown number for both Android and iOS. The technique is simple and you will easily know the identity of that number who is not in your contact list. For this, you will firstly open your Appstore or play store in your Android Phone.
Go to the play store and search Truecaller App and then download it after downloaded that App then you will open that App.
When you open Truecaller App they will ask you to enter your number, So enter your number in that App and click on Get Started after that you will click on YES. After that they send you a 6 digit verification code, So you will enter that 6 digit code and then they will ask your information like first name, last name and email. So give your correct information. You can also connect from Facebook. Then click on Continue to connect. After that you will read information about that App to know about that App, So after reading the information, you will click on Search Tab to find that number which is the unknown for you and you will try to find information about that number. After searching they will give you the result and you will know the name of that person and more information about that particular person.
Hope you will easily understand this technique and you will easily find information on the person using Truecaller App.