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.
iPhone and iPad APN Settings. If your carrier allows you to view the APN settings, you can find it on your device under these menus, according to Apple's support document : If your carrier does not allow you to change your APN on your iPhone or iPad, you might try a service/site like Unlockit NZ.