How to fix can not Update Database After Update WP Version?

I have a problem after update WordPress Version, when I’d like to access wp-admin, I find a message like this:

When I click on the button that says “Update WordPress Database” it does nothing. The browser spins and then shows me a blank white page with WordPress at the top.

How I fix can not Update Database After Update WP Version?

Step 1.

I change all plugin name via FTP. But this step not work.

Step 2.

I chage the active theme name via FTP. And this step not work

Step 3.

I manually upload wordpress via FTP. But this step not work too.

Step 4.

Add define('WP_ALLOW_REPAIR', true); at config.php then access mysite.com/wp-admin/maint/repair.php and follow the instruction:

But this step not work

Step 5.

I follow this steps:

• Go to /wp-include/ folder and open the version.php.
• Find the value for $wp_db_version, and write it down.
• Then, open my database, check in the table called wp_options
• Find the db_version value:
  • SELECT option_value FROM mydatabase.
  • SELECT wp_options WHERE option_name = 'db_version';
• Those two values must be the same. And I find that the version not the same. I Change it in the version.php file, not the database.
• I try to open wp-admin. And done. I success fix the problem can not Update Database After Update WP Version