How does Samsung I9300 delete all contacts?

On the "standby" page, click the "contacts" icon.

  

2. Click the menu and select the contacts to be displayed ].

 

3. Click the [All contacts] icon.

 

4. Click the menu and select Delete ].

 

5. Click Select all and then click finish ].

 

6. Click OK to delete all contacts.

 

 

Note:
If you delete all the contacts on your mobile phone and the items that are not deleted are still displayed, we recommend that you refer to the following:
1. Whether to terminate or fail to delete all contacts.
2. We recommend that you delete the remaining contacts.