Studies have shown that around 40-50% of the environmental impact of a mobile phone occurs during the manufacturing of the printed wiring boards and integrated circuits. The average user replaces their mobile phone every 11 to 18 months. The discarded phones then contribute to electronic waste. Mobile phone manufacturers within Europe are subject to the WEEE directive. Australia introduced a mobile phone recycling scheme. recycling one cell phone can save 14/25 ounces of Cu , 33/43,750 pounds of Ag , 33/437,500 pounds of Au , 12/21,875 ounces of Pd , 3/10 cubic feet of landfill space. , over $280.00