un countable
There are many more than two types of cell phones used worldwide.
3
I believe the iPhones
Some examples of top mobile phones are the iPhone series and the Samsung Galaxy series. Those two phone series are the most sold types of smart phones in the world.
Somehow....I don't think many people will know THAT questions answer.
As of December 2008, there are 271,000,000 cell phones in the U.S., about 88 percent of the population.In the world, there are 4,100,000,000 cell phones in use.For a full list of countries and number of cell phones, see related links.
The prototypes of these different varieties of phones are the original phones to begin with. These phones are like testing dummies to the real world and are experimented.
Germanium point contact diodes were first created and used during World War 2 as detectors in microwave RADAR systems, as the vacuum tubes available at that time did not operate at microwave frequencies. Shortly after World War 2 germanium junction diodes were created.
nether one
Apple phones are sold and used all over the world.
the end of car phones