Samsung GX-SM530CF User Manual page 55

Settings
 Support
Contact Samsung
Displays support contact information and important product information such as model number, serial number, software version, and MAC address.
Reset
Resets all settings to their default settings except for the network and App service settings. The default PIN is 0000.
\ You must enter your 4 digit PIN using the number buttons on the remote to access the Reset function.
If you have not set a PIN, use the default PIN: 0000.
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