The Lumia 535 Dual SIM comes with the latest version of Windows Phone. And with regular over-the-air updates, you’ll always have the newest software. With Microsoft Office built in, and quick access to your files through OneDrive, viewing and editing your documents is easy. And you get 15 GB of free OneDrive storage. The ETradeSupply.com team stands ready in support of your Microsoft Lumia 535 Dual SIM parts supply requirements. We have a complete line of Microsoft Lumia 535 Dual SIM components, accessories in stock ready to quality assure to industry leading ISO9001 standards.