Redmi Y2 (Gold, 4GB RAM, 64GB Storage) Colour:Gold                                                                                 |                            Size name:64GB   Memory, storage and SIM: 4GB RAM, 64GB storage expandable up to 256GB with dedicated slot. Dual nano SIM with dual standby (4G+4G). Operating System and Processor: Android v8.1 Oreo operating system with 2.0 GHz Cortex-A53 Qualcomm MSM8953 Snapdragon 625 Octa-core processor.