You can customize the number of grid-style applications on your phone's lock screen to your preference.
Set up lock screen grid on Samsung Galaxy J2 Pro 2018 with the following instructions:
Step 1: Access settings and choose display.

Access settings and select display options.
Step 2: Choose your preferred screen saver.

Select your preferred screen saver.
Step 3: Choose your screen saver grid.

Choose your screen saver grid.
Congratulations on completing your setup process. Wishing you success.
