S23 Ultra Mobile Phone Black 6.6in Ultra Light Facial Unlocking Phone 4G 5G WIFI Smartphone for Work Study Entertainment 100‑240V EU Plug Item Type: Mobile phone Weight: 448g/15.80oz Model: S23 Ultra Color: Black Screen Size: 6.6 inch FHD high definition screen Rear Cover: Glass built in all in one machine Chip: MT6735 quad core CPU System: for Android 10.0 Supported Languages: Multiple languages Network Format: 2G network GSM: 850 900 1800 1900 3G Network WCDMA: 850 1900 2100 4G Network Frequency Band FDD LTE: B1 2 3 4 5 7 8 20 28A 28B TDD LTE: B38 B39 40 41 Resolution: 2280x3200 Running Memory (RAM): 4GB Body Memory (ROM): 64GB Function: Face recognition with WIFI, BT, FM, GPS WIFI: 2.4G 5G dual frequency Interface: Type C x 1 (Charging, shared headphone interface) Hard Disk Storage: Supports up to 128GB memory card expansion (not included) Card Slot Type: 3 card slots (Supports simultaneous installation of 2 SIM cards and 1 small memory card) Front Facing Camera: 8 MP, f 2.0 aperture, fixed focal length Rear Camera: 24MP (color, f 1.8 aperture) autofocus Battery Type: Built in 5500mAh lithium battery (included)