Iphone data recovery - Save you passwords and wep keys

When new firmware is offered by Apple, for example with the 1.0.1 or 1.0.2, it is possible to save nearly all of the data on the Iphone and then to find them via this backup.
Nevertheless, the various passwords or Wep keys used by the iPhone are not saved. To save them, you just have to backup this directory

/ Private / var / root / Library


And restore its contents to retrieve its data.
It will be necessary to have installed the necessary tools to safeguard this beforehand. This will be another thing and ultèrieurement trick, but is detailed at this address!