Description: Basic Information Model Xiaomi Mi A1 (4GB+64GB) Global Version Style Bar Color Black, Gold, Rose Gold Network Band 2G: GSM 850/900/1800/1900MHz 3G: WCDMA 850/900/1900/2100MHz 4G: FDD-LTE B1/B3/B4/B5/B7/B8/B20 TDD-LTE B38/B40 [===Not Sure Your Network ?===] / [==Will My Phone Work ?==] Sim Card Dual SIM Card Dual Standby Card Slot 1 supports Nano-SIM Card Card Slot 2 supports Nano-SIM Card/ Micro SD Card System OS Android 7 CPU Snapdragon 625 Octa-core, max to 2.0Ghz GPU Adreno 506 650MHz ROM 64GB RAM 4GB Card Extend Supports an external TF card up to 128GB (VFAT) Screen Display Size 5.5 Inch Type LTPS FHD Capacitive Touch Screen, 1000:1 contrast ratio, 403PPI, 450nit brightness Resolution 1080*1920 pixels Multitouch Yes Support Format Ringtones Type Polyphonic/MP3 Audio format PCM, AAC/AAC+/eAAC+, MP3, AMR-NB/AMR-WB, FLAC, APE, WAV Video File Format H.265 /HEVC(Main profile), H.264 (Baseline/Main/High[…]