The Nokia 8000 is powered by 1.1 GHz Quad-core processor and it comes with 512MB of RAM. The Nokia 8000 packs 4GB of internal storage that can be expanded via microSDHC. The Nokia 8000 runs KaiOS and is powered by a 1500mAh removable battery. FREQUENCIES: COMPATIBLE TO USE WITH NETWORK SIM CARDS THAT WORKS ON SIM CARD 1: 2G: GSM 850 / 900 / 1800 and/or 3G: WCDMA 850(B5) / 900(B8) / 2100(B1) 4G: LTE 700(B28) / 850(B5) / 800(B20) / 2600(B38) / 900(B8) / 1800(B3) / 2100(B1) / 2300(B40) / 2600(B7) IMPORTANT: PLEASE CHECK WITH YOUR NETWORK PROVIDER FOR COMPATIBILITY CHECK BEFORE YOU PURCHASE.