Aznu - Premium Refurbished Phones. We’re here to do things a little differently… These days, mobile phones are important for just about every area of our lives. We rely on them to keep us informed, entertained, updated, and connected. That means it’s important that we make smart choices about the devices that live in our pockets all day long. At Aznu, we want to be that smart choice. Aznu fills an important gap in the phone market. Cheaper and more sustainable than a brand new phone.