If you have
a problem with settings on the product control panel, you can reset
them to their factory defaults. You can choose which settings to
reset or reset them all.
Press the home button, if
necessary.
Select Settings.
Select Restore Default
Settings. You see a screen like this:
Select one of these options:
Network Settings: Resets all network
settings
All Except Network Settings: Resets all
settings except for network settings
All Settings: Resets all control panel
settings
You see a confirmation screen.
Select Yes to reset the
selected settings. (Select No if
you want to cancel the operation.)