Upgrading Vimp from an existing version..

Before do anything you’ve to keep backup of  your site  files and database.

Steps:

1 Make a backup of your vimp directory

2 delete the lib/ directory

3 delete database.yml and prpel.ini files

4 delete contents of cache directory

5 copy all files from new vimp version files to your vimp folder

6  run the sql statements of your version in data/sql/updates.sql file

ie, open that file and execute the mysql commands on the basis of vimp version via cpanel phpmyadmin ( because it is safe)

7 run ./symfony configure:database mysql://DBUSER:DBPASSWORD@localhost/DBNAME

8 run ./symfony rebuild

9 run ./symfony i18:import