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.
iOS: Updating your carrier settings. Learn how to update carrier settings for your iPhone or iPad.&NewLine; Carrier settings updates are small files that can include updates from Apple and your carrier to carrier-related settings, such as network, calling, cellular data, messaging, personal hotspot, and voicemail settings.ollow these instructions to update your carrier settings: 1  Make sure your device is connected to the Internet. 2  Tap. 3  If an update is available, a prompt will appear.