Xiaomi Mi A1 – Black 64GB   13MP primary camera with 5-elements lens, f/2.2 aperture, PDAF, high dynamic range (HDR), panaroma, 1080p full HD video recording and 5MP front facing camera 12.7 centimeters (5-inch) display with 1280 x 720 pixels resolution and 293 ppi pixel density Android v6.0.1 Marshmallow operating system with up to 1.4GHz Qualcomm Snapdragon 435 octa core processor with Adreno 505 GPU, 3GB RAM, 32GB internal memory expandable up to 128GB and dual SIM (micro+nano) dual-standby (4G+4G), Hybrid SIM slot 4100mAH lithium-ion battery providing talk-time of 36 hours and standby time of 432 hours 1 year manufacturer warranty for device and 6 months manufacturer warranty for in-box accessories including batteries from the date of purchase     Specifications   In The Box Handset, USB Cable, Adapter, SIM Tray Remover Pin, User Guide Model Number MZB5645IN/MZB5717IN Model Name Mi A1 Color Black Browse Type Smartphones SIM Type Dual Sim Hybrid Sim Slot Yes Touchscreen Yes OTG Compatible Yes Sound Enhancements Speaker: One (Bottom Opening), Active Noise Cancellation Display Features Display Size 5.5 inch Resolution 1920 x 1080 Pixels Resolution Type Full HD GPU Adreno 506 Display Type IPS Other Display Features Contrast Ratio: 1000:1, 2.5D Glass, Metal Body Os & Processor Features Operating System Android Nougat 7.1.2 Processor Type Qualcomm Snapdragon 625 64 bit Octa Core 2GHz Processor Core Octa Core Primary Clock Speed 2.0 GHz Operating Frequency GSM – 850 / 900 / 1800 / 1900 MHz, WCDMA – 850 / 900 / 1900 / 2100 MHz, 4G LTE – TDD Band (40 / 41), FDD – Band (1 / 3 / 5)