The Samsung Pay PIN provides an extra layer of security when you use the app. Here's how to change or reset your Samsung Pay PIN.

A "hard reset" returns the Samsung Galaxy S2 to factory default settings. Resetting the phone to factory defaults removes all saved data, including downloaded apps, passwords and saved documents.

Once the line of code is pushed to the Samsung S III there is no way to stop the reset from taking place. There is no warning given to the user, and no means of stopping it.

Be a mensch and factory reset your Samsung device, especially if you plan to sell your gently used smartphone or give it to a friend or family member. In the Settings panel, tap on General ...