Delete any number from the device on the android operating system as easy as on all other smartphones. The principle remains the same in almost all OS. If you mistakenly brought someone number to your device, or the contact numbers were duplicated themselves, then this algorithm will help you.
Click on the icon of your phone book, most often, it is delivered right on the desktop. Go to the "Contacts" section. For a more convenient search, you can start typing the name in the search bar, or use the slider with the alphabet to the right.Click on the desired contact.
Now you know how to delete any unwanted contacts on your list. If such people have accumulated too much, then you first hold one of them for a few seconds. Little square windows will appear near all contacts. Press them to allocate several immediately. Then you can remove all contacts with one time, near the checkboxes.
So you can quickly clean your phone book on the Android device.
About some new ways with third-party software you will learn from the video below: