A new function in L'OS 2.0 [Firmware 2.0] will appear after Apple Insider, this function will enable validation to erase all your traces and personal data. What could happen clearly practical in case of resale or ready from your iPhone.
This new functionality will be found in the already existing menu “reset”But on the other hand, once the procedure starts, ask one hour of execution on a iPhone 8GB!
See our article on the near imminent arrival of OS 2.0.
We discuss it on the forum.