PIN is a specific password to access your Smart TV and is used for various functions. Most Samsung TVs have an option to set a 4 digit PIN to lock some of the settings and apps.The default PIN is 0000, and if you want to change or reset your PIN on Samsung TV, follow these steps.
1. Click the Home button on your Samsung remote.
2. Select the icon Settings.
3. Choose General>System Manager.
4.Select Change PIN.
5. Enter your current PIN number. The default PIN is "0000"
6. Then enter your new PIN.
Now you have changed your PIN on Samsung TV.
1. Click the Home button on your Samsung remote.

2. Select the icon Settings.

3. Choose General>System Manager.

4.Select Change PIN.

5. Enter your current PIN number. The default PIN is "0000"

6. Then enter your new PIN.

Now you have changed your PIN on Samsung TV.