## Redmi Note 4 (SD) ### General * Regional name(s): Redmi Note 4X (Greater China) * Android codename: mido * MIUI codename: HMNote4X ### Hardware * SoC: Qualcomm Snapdragon 625 @ 2.0 Ghz * Memory: 3GB/4GB LPDDR3 * Storage: 16GB/32GB/64GB eMMC 5.0 * MicroSD expansion: Up to 128GB ### Display * Panel: IPS LCD * Size: 5.5 inches * Resolution: 1920 x 1080 pixels * Pixel density: 403 ppi * Aspect ratio: 16:9 * Brightness: 450 nits * Contrast ratio: 1000:1 * Colour gamut: 72% NTSC ### Camera **Rear camera** * Sensor: Sony IMX258 / Samsung S5K3L8 * Resolution: 13 megapixels * Pixel size: 1.12 µm * Aperture: f/2.0 * OIS: No * Autofocus: PDAF * Flash: Dual tone LED **Video recording** * Normal: 1080p/720p @ 30 fps * High frame rate: No * Slow motion: 720p @ 120 fps **Front camera** * Sensor: Samsung S5K5E8 * Resolution: 5 megapixels * Pixel size: 1.12 µm * Aperture: f/2.0 * OIS: No * Autofocus: No * Flash: No ### Battery * Capacity: 4100 mAh * Wired charging: 10W * Wireless charging: No ### Dimensions * Size: 151 x 76 x 8.45 mm * Weight: 165 g ### Connectivity **Cellular** * SIM slots: Micro + Nano * VoLTE: No **CN Version** | Network | Bands | |:---------:|:---------------:| | FDD-LTE | B1/B3/B5/B7 | | TD-LTE | B38/B39/B40/B41 | | TD-SCDMA | B34/B39 | | WCDMA | B1/B2/B5/B8 | | GSM | B2/B3/B5/B8 | | CDMA/EVDO | BC0 | **Global Version** | Network | Bands | |:-------:|:---------------------:| | FDD-LTE | B1/B3/B4/B5/B7/B8/B20 | | TD-LTE | B38/B40 | | WCDMA | B1/B2/B5/B8 | | GSM | B2/B3/B5/B8 | **Wi-Fi** * Protocols: 802.11 a/b/g/n * Bands: 2.4 Ghz / 5 Ghz * MIMO: No **Bluetooth & NFC** * Bluetooth: 4.2 * NFC: No **Ports** * USB: Micro * Headphone jack: Yes ### Navigation * GPS: Yes * AGPS: Yes * Galileo: No * GLONASS: Yes * QZSS: No * BDS: Yes ### Biometrics * Fingerprint sensor: Yes * Facial recognition: No ### Sensors * Infrared: Yes * Proximity: Yes * Gyroscope: Yes * Ambient light: Yes * Accelerometer: Yes * Barometer: No * Electronic compass: No * Hall: Yes