Turn on the OLI. If you find an orange solid and you didn't use the device recently, al you have to do is to follow these simple steps:
To erase data from the OLI, press the "OLIVER" button 3 times in a row once the orange light has appeared.
The orange light will start to flash indicating that data is being erased correctly. It will take a few seconds to erase all data.
Once the deletion process has finished, a green solid light will show up.
Turn the OLI off by holding the "OLIVER" button for 3 seconds.