There has been an increased use on phones. Unlike before where phones were used to receive and make calls, they are now used as music players, cameras and for games among many other needs. This has in turn led to increased need for the batteries. With the electrically charged batteries it means that one has to be in access of electricity and wait for a long time for the phone to be charged. This can prove futile especially when one is traveling thus the emergence of the phones which have a solar battery. On June 2010, Samsung became the first to launch a solar powered mobile phone. The phone was known as Solar Guru E1107 and with time it has launched Blu-Earth a solar powered all touch screen cell phone. This phone has a built in eco-mode that is environmental friendly and presents data on number of trees saved.