Nokia Lumia 900 Specifications •Operating System : Windows 7.5 Mango •Processor : 1Ghz Processor •Memory : 14.5 Internal Memory •RAM : 512 MB •Micro SD cards : No Slots Available •Battery : 1830 mAh •Standby Time : 300 Hours •2G n 3G Talk Time : 7 Hours •Audio PlayBack Time : 60 Hours •Video ...