Xiaomi Redmi Note 4

Network

• Technology: GSM / HSPA / LTE
• 2G bands: GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
• 3G bands: HSDPA 850 / 900 / 1900 / 2100
• 4G bands: 1, 3, 4, 5, 7, 8, 20, 38, 40
• Speed: HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps

Launch

• Announced: 2017, January
• Status: Available. Released 2017, January

Body

• Dimensions: 151 x 76 x 8.5 mm (5.94 x 2.99 x 0.33 in)
• Weight: 165 g (5.82 oz)
• Build: Glass front, aluminum back, aluminum frame
• SIM: Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)

Display

• Type: IPS LCD
• Size: 5.5 inches, 83.4 cm2 (~72.7% screen-to-body ratio)
• Resolution: 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)

Platform

• OS: Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), MIUI 11
• Chipset: Qualcomm MSM8953 Snapdragon 625 (14 nm)
• CPU: Octa-core 2.0 GHz Cortex-A53
• GPU: Adreno 506

Memory

• Card slot: microSDXC (uses shared SIM slot)
• Internal: 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
• Note: eMMC 5.1

Main Camera

• Single: 13 MP, f/2.0, 1/3.1", 1.12µm, PDAF
• Features: Dual-LED dual-tone flash, panorama, HDR
• Video: 1080p@30fps, 720p@120fps

Selfie camera

• Single: 5 MP, f/2.0
• Video: 1080p@30fps

Sound

• Loudspeaker: Yes
• 3.5mm jack: Yes
• Note: 24-bit/192kHz audio

Comms

• WLAN: Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot
• Bluetooth: 4.1, A2DP, LE
• GPS: Yes, with A-GPS, GLONASS, BDS
• NFC: No
• Infrared port: Yes
• Radio: FM radio
• USB: microUSB 2.0, USB On-The-Go

Features

• Sensors: Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Battery

• Type: Li-Po 4100 mAh, non-removable

Misc

• Colors: Dark Gray, Gold, Black, Lake Blue
• Models: 2016100
• SAR EU: 0.72 W/kg (head)     0.67 W/kg (body)    
• Price: About 150 EUR