After the immense success of Samsung Galaxy S2 and Samsung Galaxy S3, Samsung has come up with new Samsung Galaxy S4 as the latest Android phone in Galaxy S series. And this time, the new phone is environment friendly. Yes, you read it right. Now, Samsung Salaxy S4 is environment friendly too. Samsung Galaxy S4 along with all the bundled accessories has successfully passed the TCO certification. TCO certification is the certification for being an environment friendly product. So this means that now your Samsung Galaxy S4 is healthy device to use when we talk in reference with environment.