The Huawei nova Y90 is powered by 2.4 GHz Octa-core processor and it comes with 6GB of RAM. The Huawei nova Y90 packs 128GB of internal storage that can be expanded via microSDXC (uses shared SIM slot). The Huawei nova Y90 runs EMUI 12 and is powered by a 5000mAh non-removable battery. FREQUENCIES : COMPATIBLE TO USE WITH NETWORK SIM CARDS THAT WORKS ON SIM CARD 1 : 2G : GSM 850 / 900 / 1800 / 1900 and/or 3G : HSDPA 850 / 900 / 1900 / 2100 and/or 4G : LTE 700(B28) / 800(B20) / 850(B5) / 900(B8) / 1800(B3) / 2100(B1) / 2300(B40) / 2500(B41) / 2600(B7) / 2600(B38) SIM CARD 2 : 2G : GSM 850 / 900 / 1800 / 1900 3G : HSDPA 850 / 900 / 1900 / 2100 4G : LTE 700(B28) / 800(B20) / 850(B5) / 900(B8) / 1800(B3) / 2100(B1) / 2300(B40) / 2500(B41) / 2600(B7) / 2600(B38) IMPORTANT : PLEASE CHECK WITH YOUR NETWORK PROVIDER FOR COMPATIBILITY CHECK BEFORE YOU PURCHASE.