How to Upgrade OJS to Version 3.0.2 on Web Hosting

Upgrading OJS from 3.0.1 to 3.0.2 using ISPConfig and Linux Centos 7.2.
The Step is
1. Backup the old Database
2. Copy the Folder (Cahce,public, Files_dir)
3. Copy the config.inc.php

Upload to the server all File of OJS 3.0.2
Replace the Folder already download or backup earlier to the new server.
Open the Config.inc.php and replace all configuration you had mad on the previous setting
set the Installed to OFF
call the address of New OJS address in the browser and click upgrade.