Good Lock is an application designed to provide users with deeper customization options for system interfaces such as the notification bar, lock screen, and multitasking view.
How to Install Good Lock Interface on Samsung Android 6.0?
Step 1: Download the installation file from Good Lock > Select 'Install' to download the installation file.

Step 2: Open the downloaded file and select 'Install' to install the application > Select 'OK' to restart the device. After the restart, the system interface will be changed to the default of Good Lock.


A few snapshots of the Good Lock interface:



Step 3: To customize Good Lock, navigate to the menu and open the 'Good Lock' application. The Good Lock app includes the following sections:
Routines: Customize the primary color scheme of Good Lock, Widgets, quick access applications.
Lock Screen: Customize lock screen visuals, effects, etc.
Advanced: Customize the notification center, quick shortcuts.
Backup and Restore: Backup and restore the current Good Lock interface.
Uninstall: Remove Good Lock installation and reset the device to default settings.

Here's a guide on how to install the Good Lock interface on Samsung Android 6.0. Wishing you success!
Learn more:
>>> How to activate Multi Window mode on Samsung Galaxy S7
>>> How to disable one-touch mode on various Samsung models
