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.
Hold the Home Button (on the front of the iPhone) and the Sleep/Wake button (on the top of the iPhone) together at the same time. Keep them pressed at the same time for like 10-20 seconds and the phone should reboot.Level 1 (5 points). Just press and hold the home button and sleep/wake button for 10 seconds to reset the iPhone.hanks. Level 1 (5 points). To restore the iPhone back to the original factory settings, you need to plug it into your computer and press the Restore button on the main iPhone page that comes up with your phone number and all that jazz.