In order to hard reset a Samsung N500, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Samsung N500 device will be brought back to the default configuration of a brand new device.
1. Power up the phone.
2. Tap this code into it: *2767*3855#
3. Wait until it restarts. That is all.