Follow below steps:
  • Search miniOrange 2-Factor plugin and click on Premium Option tab.

    Click on premium options tab

  • Search Customize power by Logo feature in the Premium Option tab.
    There are two options in this feature:
    • Remove Powered By option from the Login Screens:

      Checking this option will remove ‘Powered By’ from the Login screen.

    • Enable Custom Powered By option for the Login Screens:

      Go to /wp-content/uploads/miniorange folder and upload a .png image with the name custom (Max Size: 100x28px).

    power by logo

 

Selecting Remove 'Powered By' option from the Login Screens:

  • Enabled this option and Click on the Save settings.

    Remove power-by logo

  • This will successfully remove ‘power by’ logo from Login Screen.

    Remove power-by logo

 

Selecting Enable Custom 'Powered By' option for the Login Screens:

  • Enable this option then go to the given path and upload a .png image with the name Custom and click on the Save Settings.

    enbale custom power by logo

  • Now your Logo is customized for Login Screen.

    Example: I have selected the Google logo.
    customize-logo

Note:If you have free plugin, this feature is supported in paid plugin.
Please checkout out pricing from here:
https://plugins.miniorange.com/2-factor-authentication-for-wordpress