Manufacturer    Xiaomi
Model    Mi 4S
Network    2G bands: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 / 1900
3G bands: HSDPA 850 / 1900 / 2100
TD-SCDMA
4G bands: LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
Speed: HSPA, LTE Cat4 150/50 Mbps
GPRS: Yes
EDGE: Yes
Dimensions    139.3 x 70.8 x 7.8 mm (5.48 x 2.79 x 0.31 in)
Weight    133 g (4.69 oz)
SIM    Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
Display type    IPS LCD capacitive touchscreen, 16M colors
Size    5.0 inches (~69.9% screen-to-body ratio)
Resolution    1080 x 1920 pixels (~441 ppi pixel density)
OS    MIUI 7.0 (based on Android 5.1 Lollipop)
Chipset    Qualcomm MSM8992 Snapdragon 808
CPU    Quad-core 1.44 GHz Cortex-A53 & dual-core 1.82 GHz Cortex-A57
GPU    Adreno 418
RAM    3 GB LPDDR3 dual-channel
Memory    64 GB eMMC 5.0
Card slot    microSD, up to 128 GB (uses SIM 2 slot)
Primary camera    13 MP, f/2.0, phase detection autofocus, dual-LED (dual tone) flash
Features    Geo-tagging, touch focus, face/smile detection, panorama, HDR
Video    1080p@30fps, 720p@120fps
Secondary camera    5 MP, f/2.0, 1080p
WLAN    Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
Bluetooth    v4.1, A2DP
GPS    Yes, with A-GPS, GLONASS, BDS
Infrared port    Yes
NFC    No
Radio    No
USB    Type-C 1.0 reversible connector, Quick Charge 2.0
Sensors    Fingerprint, accelerometer, gyro, proximity, compass
Battery    Non-removable Li-Ion 3260 mAh (typ) / 3210 mAh (min) battery
Color    Gold
Package    1 x Phone
1 x Power adapter
1 x USB Type-C cable
1 x SIM needle
1 x User manual