Remember that, in a pure hydrogen economy, the electrical generating capacity will have to approximately double because all of the energy for transportation that currently comes from oil will have to be replaced with electrically generated hydrogen. So the number of power plants will double, and all of the fossil fuel plants will be replaced.
The iPhone will reboot. Once it turns on, the default network settings will be restored. The Apple iPhone 3GS has many reset options. Wiping the network settings will reset all the current network settings to default. The Apple iPhone 3GS has many reset options.  Please let us know how we can improve this support content by leaving your comments below.
If prompted enter the Passcode and iTunes password to turn off Find My iPhone and prepare the iPhone for a reset. Tap on Erase iPhone and then Erase iPhone again. The iPhone will go to a blank screen with an Apple logo and when it restarts you will see the iPhone setup screen.