Does OS5 upgrade on PR4100 leave data intact?

[Daniel5]

The upgrade deletes data used by some applications. It should not delete the data that you coped.

In my case, I lost the WordPress MySQL Database created by thje WordPress App in my PR4500…

After upgrade to OS5 MySQL database for WordPress lost?

I must be doing something but I cannot find the WordPress mysqldatabase that I had before migrating to OS5. I had a workding WordPress with phpMyAdmin installation in OS3. I have just now upgrade OS3 to OS5. I understood that the apps would be uninstalled but I understood from the messages that the data and the configurations would be kept. After the firmware upgrade, I reinstalled WordPress and phpMyAdmin but when I launch WordPress, it takes me through the configuration Wizard and tries to…

Daniel