average lifespan of cell phones
1 Every year, over 100 million cell phones are made obsolete. 2  The average life span of a cell phone is just 18 months. 3  The average American cell phone user owns three or more cellular phones.4  Up to 75% of obsolete phones are stockpiled in drawers, including the battery and the charger [8]. A global consumer survey released by Nokia reveals that only 3% of the total mobile phone users recycle their phones (6,500 people in 13 countries were interviewed, owning an average of 5 phones each) [5].