Refurbished Samsung Galaxy Z Flip4 SM-F721N Smartphone with Nano-SIM+eSIM

Release Date: August 2022 Operating System: Android 12 (One UI 4.1.1), upgradable to Android 14 Processor: Qualcomm Snapdragon 8+ Gen 1 (4nm process) Network Support: 5G (Sub-6GHz + mmWave), 4G LTE SIM Card Type: Single physical nano-SIM + eSIM (Some Korean versions support dual physical SIM) Water and Dust Resistance: IPX8 (Waterproof up to 1.5m for 30 minutes, not dustproof) II. Design and Screen Folded Form: Folded Dimensions: 84.9 x 71.9 x 17.1-15.9 mm Unfolded Dimensions: 165.2 x 71.9 x 6.9 mm Weight: 187g (Slightly heavier than Z Flip3, but with a more robust structure) Improved Hinge: More compact "hidden hinge" design, supports multi-angle hovering, and reduces dust ingress. Cover Screen: Size: 1.9-inch Super AMOLED Resolution: 260 x 512 pixels. Enhanced Functionality: Supports more widgets (direct message reply, smart home control). Main Screen: Size: 6.7-inch Dynamic AMOLED 2X Resolution: 2640 x 1080 pixels Refresh Rate: 1-120Hz Adaptive Refresh Rate Material: Second-generation ultra-thin flexible glass (UTG), 20% improved impact resistance. III. Performance and Specifications Processor: Snapdragon 8+ Gen 1 CPU Architecture: 1× Cortex-X2 (3.2 GHz) 3× Cortex-A710 (2.75 GHz) 4× Cortex-A510 (2.0 GHz) Memory and Storage: RAM: 8GB Rear Dual Camera: Main Camera: 12MP Ultra-wide Angle: 12MP Front Camera: 10MP Cover Screen Selfie: Higher quality selfies using the main rear camera with cover screen preview. Video Features: 4K@60fps recording, HDR10+ support Director's View: Simultaneous recording with front and rear cameras in split-screen view. Battery Capacity: 3700mAh Battery Life: Video playback: Approximately 15 hours Charging Speed: 25W wired fast charging 15W wireless charging + 4.5W reverse wireless charging 5G Band Wireless Connectivity: Wi-Fi 6E Bluetooth 5.3 NFC, UWB