For those reading this, the "device" is an 8 channel surveillance system.
This information is 12 years old so I'm not sure how accurate it is but it is for this model.
1. To do a hard reset, you have to use the remote.
2. You have to press these buttons fast: press "Monitor" / "Menu" / "4" / "6"
3. After the password is reset, press "6" and "6" .
4. Then power off then power on the system and the password will be 4321.
If that doesn't work, go here
this has additional info at step 2 it says to also choose DVR then "14" / "16"
This information is 12 years old so I'm not sure how accurate it is but it is for this model.
1. To do a hard reset, you have to use the remote.
2. You have to press these buttons fast: press "Monitor" / "Menu" / "4" / "6"
3. After the password is reset, press "6" and "6" .
4. Then power off then power on the system and the password will be 4321.
If that doesn't work, go here
Reset Password Samsung SME-2220N
Have lost the password for my SME-2220N Camera System
www.experthelp.com