Nokia Lumia 530 RM-1018, 4GB, Single Sim (Unlocked) - Blue This Nokia Lumia Windows 8.1 Smartphone Model Number RM-1018 runs on GSM frequencies 850 900 1800 1900 Standard UMTS 850 900 2100 This Phone does not Support 4G or LTE Qualcomm Snapdragon 200 Processor clock: 1.20 GHz GPU: Adreno 203 albo Adreno 302 BATTERY Li-Ion 1430 mAh battery (BL-5J) Stand-by time Up to 528 h Talk time Up to 13 h 20 min (2G) / Up to 10 h (3G) Music play time Up to 51 h Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers) Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost Virgin or Metro PCS.