I had the ownCloud 9.1.6 (stable) and I started the update button. The process didn't completed and now the page has an error
This version of ownCloud requires at least PHP 5.6.0
You are currently running 5.5.9-1ubuntu4.6. Please update your PHP version.
Please can you help me how can I revert back to version 9.1.6 ?
Before the update I took a backup of the entire folder and the DB. Should I delete the current folder and DB and upload the backup files?
Operating system: Ubuntu 14.04
Web server: Apache
PHP version: PHP 5.5.9-1ubuntu4.6