Recurring Procedure for doing manual upgrade for WordPress sites:
-Go to the online doc — http://codex.wordpress.org/Upgrading_WordPress for instructions
-Note: 1and1.com always has the minimum requirements for PHP and MySQL
-Take a backup. Note: Use the “SnapShot Backup” Plug-in and download the .TAR file to local HDD
-Disable all plug-ins. Select all plug-ins and choose “Deactivate all”
-Download the latest WordPress zip to local HDD and unpack the zip file that you downloaded
-Using FileZilla, Delete the old wp-includes and wp-admin directories on your web host (through your FTP or shell access).
-Using FileZilla, upload the new wp-includes and wp-admin directories to your web host, overwriting old files.
-Upload the individual files from the new wp-content folder to your existing wp-content folder, overwriting existing files. Do NOT delete your existing wp-content folder.
-Do NOT delete any files or folders in your existing wp-content directory (except for the one being overwritten by new files).
-Upload all new loose files from the root directory of the new version to your existing wordpress root directory.
-Actual command within browser to finalize the upgrade — http://paulgarth.com/wp-admin/upgrade.php (Note: I don’t have a /wordpress directory)
-Activate plug-ins
-Update any plug-ins
-Update Techozoic Theme, if applicable