Would you like to use the good old SMS writing style by using a 3x4 keypad on your Samsung Galaxy S6 Edge Plus, then this is even possible. Because in the system settings of Android, you can activate a 3x4 keyboard.
We show you here where you can find the settings in Android on the Samsung Galaxy S6 Edge Plus.
1. Open the menu and then the Settings
2. Tap on "Language & input"
3. Tap "Samsung keypad"
4. Tap at the top entry with "English"
5. In the drop-down menu, choose "3x4 keyboard"
You just successfully changed the keyboard layout to 3x4 keyboard. This allows you to write on the Samsung Galaxy S6 Edge Plus like in old times.