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.
Step 1: Press and hold the Home button (at the bottom of iPhone) and the Sleep/Wake button (on top of the iPhone) simultaneously. Step 2: Hold both buttons until the iPhone shuts off and begins to restart. Let it go when you see the Apple logo appear on screen. Youâve just performed a hard reset.