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Xiaomi Redmi S2 Dual SIM TD-LTE CN 64GB M1803E6E / M1803E6C (Xiaomi Ysl)

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General AttributesGeneral Attributes: 

BrandBrand name of the device. This may match with the manufacturer Xiaomi
ModelOne or more (separated by /) specific model name identifies this device. This field may include model code too. Redmi S2 Dual SIM TD-LTE CN 64GB M1803E6E / M1803E6C
ReleasedFirst official market release date in (year, month) 2018 May
AnnouncedDate of the official announcement (year, month) 2018 May
Hardware DesignerThe company which designed this device Xiaomi Tech
CodenameThe codename internally identified the design project of this product Xiaomi Ysl
OEM IDThe OEM ID is internal code and refers to a specific variant of the model series HMS2
Device CategorySmartphone, tablet, smart watch, PDA, palmtop, etc.  SmartphoneCallular voice-capable usually touchscreen mobile computer which natively runs third-party apps.
Market CountriesCountries where the device was officially sold. Overlap is possible.  China
Market RegionsRegions where the device was officially sold.  Overlap is possible.  Asia, Southeast Asia
Mobile OperatorList of mobile operators (carriers) or distributors which sold the device in their own network China Telecom Corporation LimitedChina Telecom Corporation Limited
China Unicom Netcom LimitedChina Unicom Netcom Limited

Physical AttributesPhysical Attributes: 

WidthWidth is horizontally measured between the left and right edges of device according to the default display orientation 77.26 mm
HeightHeight is vertically measured between the bottom and top edges of device according to the default display orientation 160.73 mm
DepthDepth refers to the thickness of the device. Depth is usually the smallest dimension of the device 8.1 mm
DimensionsAll dimensions are maximal values (measured between the furthest points of the device) in closed state 3.04x6.33x0.32 inches
MassThe mass of the device including standard battery and stylus (if any and it can be inserted into the device) measured in grams 170 g
6 ouncesThe mass of the device including standard battery and stylus (if any and it can be inserted into the device) measured in ounces

Software EnvironmentSoftware Environment: 

PlatformThe family of the operating system like Android, iOS, Windows Phone/Mobile, Palm OS, etc.  Android
Operating SystemPre-installed (usually embedded) operating system which the device was released with. Google Android 7.1.2 (Nougat)Google Android 7.1.2 (Nougat)
MIUIv9Subversion, update version, user interface, defualt language, etc.
Software ExtrasNavigation software, voice recognition, face recognition, personal assistant app, etc.  Voice Command, Navigation softwarepre-installed, Intelligent personal assistantLearning personal assistant based on artificial intelligence (AI), Face RecognitionFace identification by built-in camera

Application processor, ChipsetApplication processor, Chipset: 

CPU ClockFrequency of the square signal which schedules the internal operation of microprocessor (synchronous sequential logic). The current consumed by the processor is approximately proportional to clock rate. 2020 MHz
CPUManufacturer part number and most important characteristics of the IC which includes the main application processor or processors Qualcomm Snapdragon 625 MSM8953, 2016, 64 bit, octa-core, 14 nm, Qualcomm Adreno 506 GPUQualcomm Snapdragon 625 MSM8953, 2016, 64 bit, octa-core, 14 nm, Qualcomm Adreno 506 GPU

Operative MemoryOperative Memory: 
RAM TypeType of volatile memory IC which specifies RAM architecture, timing characteristics, refresh mode, voltage levels and physical design of the IC. Two major types of random-access memory is static RAM (SRAM) periodically refreshed dynamic RAM (DRAM).  LPDDR3 SDRAM
933 MHzClock frequency of the RAM databus (not necessarily equivalent to data transfer frequency). The width of the databus (e.g. 64 bit), RAM type (e.g. DDR SDRAM) and clock rate (e.g. 200 MHz) determines peak transfer rate (25.6 Mbit/s)
RAM Capacity (converted)RAM capacity in binary bytes (KiB: 1024 bytes, MiB: 1024 KiB, GiB: 1024 MiB) 4.00 GiB RAM

Non-volatile MemoryNon-volatile Memory: 
Non-volatile Memory Capacity (converted)The value of ROM capacity converted to the most appropriate units (KiB: 1024 bytes, KB: 1000 bytes, MiB: 1024 KiB, MB: 1000 KB, GiB: 1024 MiB, GB: 1000 MB) 64.0 GB ROM

DisplayDisplayAll parameters that related to display

Display ResolutionHorizontal and vertical resolution of the primary display. In case of display with rounded edges this refers to the smallest bounding rectangle. 720x1440
Display DiagonalThe distance measured between the furthest corners of the display. In case of display with rounded edges this refers to the diagonal of the smallest bounding rectangle. 152.15 mm
6 inchDisplay Diagonal in inches
Horizontal Full Bezel WidthDefined as the sum of width of left and right vertical display bezels. If the display panel is located in the middle width of left and right bezels are the same and their width is the half of the full bezel width. 9.22 mm
Display Area UtilizationRegular display area per regular front panel area ratio. This approximated indicator does not count with possible rounded corners (neither on front panel nor on display) or display notches. 75%
Pixel DensityIndicates the number of pixels per inch 269 PPI
Display TypeDisplay technology, e.g. Color/ monochrome e-ink, STN, PM-OLED, AM-OLED, TN-TFT, IPS TFT, ASV TFT, MVA TFT, PVA TFT, PLS TFT  Color IPS TFT LCDColor IPS-TFT (In-Plane Switching - Thin Film Transistor) is also called Super TFT LCD. This is an active matrix LCD technology developed by Hitachi Ltd. in 1996. display
Number of Display ScalesMaximal number of displayable colors or scales 16.8M
Scratch Resistant ScreenUsual types: Gorilla Glass generations, DragonTrail/X, Sapphire Glass  Yes

Graphical SubsystemGraphical Subsystem: 
Graphical ControllerManufacturer and part number of the graphics controller IC or commercial name of the intellectual property (IP) if the graphics controller is the part of a chipset Qualcomm Adreno 506
GPU Clock 550 MHz

Audio/Video InterfacesAudio/Video Interfaces: 
A/V OutAudio/Video outputs form a heterogeneous group of interfaces that allow the user to connect the device to various external analog/digital multimedia devices (monitors, projectors, HD TVs) and play multimedia content. For example: MHL, DisplayPort, HDMI, e  No

Audio SubsystemAudio Subsystem: 

Microphone(s)Analog or digital sound receiver. Main applications: voice calls, active noise cancellation, voice command, voice/video recording, voice identification  stereo
Loudpeaker(s):   mono
Audio Output:   3.5mm

Cellular PhoneCellular Phone: 

Supported Cellular BandsList of supported cellular networks with band names. For example GSM900 refers to the GSM system with the 890-915 MHz uplink and 935-960 downlink bands.  GSM850GSM850 phones support GSM 850 MHz (B5) band (downlink: 869.2 MHz - 894.2 MHz, uplink: 824.2 MHz - 849.2 MHz) , GSM900GSM900 phones support P-GSM (Primary GSM) 900 MHz (B8) band (downlink: 935.0 MHz - 960.0 MHz, uplink: 890.0 MHz - 915.0 MHz) and may support E-GSM (Extended GSM) 900 MHz band (downlink: 925.0 MHz - 960.0 MHz, uplink: 880.0 MHz- 915.0 MHz. , GSM1800GSM1800 phones support GSM / DCS / PCS 1800 MHz (B3) band (downlink: 1805.2 - 1879.8 MHz, uplink: 1710.2 - 1784.8 MHz)., GSM1900GSM1900 phones support PCS 1900 MHz (B2) band (downlink: 1930.2 - 1989.8 MHz, uplink: 1850.2 - 1909.8 MHz) , UMTS2100 (B1)UMTS2100 phones support UMTS 1900 / 2100MHz (IMT, also refferred as UMTS Band I) band (downlink: 2112.4 - 2167.6 MHz, uplink: 1922.4-1977.6 MHz), UMTS1900 (B2)UMTS1900 phones support UMTS 1900MHz (PCS, also refferred as UMTS Band II) band (downlink: 1932.4 - 1987.6 MHz, uplink: 1852.4-1907.6 MHz), UMTS850 (B5)UMTS850 phones support UMTS 850 MHz (CLR, also refferred as UMTS Band V) band (downlink: 871.4 - 891.6 MHz, uplink: 826.4 - 846.6 MHz), UMTS900 (B8)UMTS900 phones support UMTS 900 MHz (UMTS Band VIII) band (downlink: 927.4 - 957.6 MHz, uplink: 882.4-912.6 MHz), CDMA800 (BC0)CDMA800 phones support CDMA 800 MHz (CDMA Band Class 0, also known as CDMA850) band (downlink: 860 MHz - 894 MHz, uplink: 815 MHz - 849 MHz)., TD-SCDMA2000TD-SCDMA2000 phones support TD-SCDMA 2000 MHz band (2010 - 2025 MHz), TD-SCDMA1900TD-SCDMA1900 phones support TD-SCDMA 1900 MHz band (1880 - 1920 MHz), LTE2100 (B1)LTE2100 phones support LTE 1900 / 2100MHz (IMT, also refferred as LTE Band 1) band (downlink: 2110 - 2170 MHz, uplink: 1920 - 1980 MHz), LTE1800 (B3)LTE1800 phones support LTE 1800 MHz (LTE Band 3) band (downlink: 1805 - 1880 MHz, uplink: 1710 - 1785 MHz), LTE850 (B5)LTE850 phones support LTE 850 MHz (LTE Band 5) band (downlink: 869 - 894 MHz, uplink: 824 - 849 MHz), LTE2600 (B7)LTE2600 phones support LTE 2600 MHz (LTE Band 7) band (downlink: 2620 - 2690 MHz, uplink: 2500 - 2570 MHz), LTE900 (B8)LTE900 phones support LTE 900 MHz (LTE Band 8) band (downlink: 925 - 960 MHz, uplink: 880 - 915 MHz), TD-LTE2000 (B34)TD-LTE 2000 phones support TD-LTE 2000 MHz (LTE Band 34) band (2010 - 2025 MHz), TD-LTE2600 (B38)TD-LTE 2600 MHz phones support TD-LTE 2600 MHz (LTE Band 38) band (2570 - 2620 MHz), TD-LTE1900 (B39)TD-LTE 1900 MHz phones support Chinese TD-LTE 1900 MHz (LTE Band 39) band (1880 - 1920 MHz), TD-LTE2300 (B40)TD-LTE 2300 phones support Chinese TD-LTE 2300 MHz (LTE Band 40) band (2300 - 2400 MHz), TD-LTE2500 (B41)TD-LTE 2500 MHz phones support TD-LTE 2500 MHz (LTE Band 41) band (2496 - 2690 MHz) bands
Supported Cellular Data LinksList of supported cellular data links and rates.  GPRSGeneral Packet Radio Service, EDGEEnhanced Data Rates for GSM Evolution also known as Enhanced GPRS (EGPRS), UMTSUniversal Mobile Telecommunications System. UMTS Release '99 data link layer, W-CDMA grants up to 384 kbit/s pocket-switched download speed., HSUPAHigh-Speed Uplink Packet Access is a 3.5G UMTS uplink protocol., HSUPA 5.8, HSDPAHigh-Speed Downlink Packet Access is a 3.5G UMTS downlink protocol., HSPA+ 21.1, cdmaOne, CDMA2000 1x, CDMA2000 1xEV-DO, TD-SCDMATime Division Synchronous Code Division Multiple Access is the implementation of UMTS  (3G) cellular network in China., TD-HSDPA, LTELTE (Long Term Evolution) or the E-UTRAN (Evolved Universal Terrestrial Access Network), introduced in 3GPP R8, is the 4G access part of the Evolved Packet System (EPS)., LTE 100/50LTE 100.8 Mbps / 50.4 Mbps (Cat. 3), LTE 150/50LTE 151.2 Mbps / 50.4 Mbps (Cat. 4) data links
SIM Card SlotSupported Subscriber Identification Card (SIM) Format like mini-SIM, micro-SIM, nano-SIM, embedded SIM, etc.  Nano-SIM (4FF)
Complementary Phone ServicesPossible extras: voice transmission, voice speaker, vibration, speakerphone, active noise cancellation, PTT, HD Voice, VoLTE, etc.  Voice transmissionDevice is able to receive and transmit voice over cellular network, Voice speakerDedicated voice speaker is located near to the ear when talking and optimized for the spectrum and peak-to-peak range of the human voice., Vibrate, Speakerphone, ANCActive noise cancellation (ANC), HD Voice, VoLTE

Secondary Cellular PhoneSecondary Cellular Phone: 
Dual Cellular Network OperationDetermines how the device can handle multiple cellular networks and SIM cards. For example dual-standy, dual-active  Dual standbyCellular modules of dual standby phones can simultaneous connect to the same  (e.g. GSM/GSM, LTE/LTE) or different  (e.g. CDMA/GSM) network. During call or data transmission on any cellular modules the other cellular module is automatically switched off operation
Sec. Supported Cellular Networks:   GSM850GSM850 phones support GSM 850 MHz (B5) band (downlink: 869.2 MHz - 894.2 MHz, uplink: 824.2 MHz - 849.2 MHz) , GSM900GSM900 phones support P-GSM (Primary GSM) 900 MHz (B8) band (downlink: 935.0 MHz - 960.0 MHz, uplink: 890.0 MHz - 915.0 MHz) and may support E-GSM (Extended GSM) 900 MHz band (downlink: 925.0 MHz - 960.0 MHz, uplink: 880.0 MHz- 915.0 MHz. , GSM1800GSM1800 phones support GSM / DCS / PCS 1800 MHz (B3) band (downlink: 1805.2 - 1879.8 MHz, uplink: 1710.2 - 1784.8 MHz)., GSM1900GSM1900 phones support PCS 1900 MHz (B2) band (downlink: 1930.2 - 1989.8 MHz, uplink: 1850.2 - 1909.8 MHz) , UMTS2100 (B1)UMTS2100 phones support UMTS 1900 / 2100MHz (IMT, also refferred as UMTS Band I) band (downlink: 2112.4 - 2167.6 MHz, uplink: 1922.4-1977.6 MHz), UMTS1900 (B2)UMTS1900 phones support UMTS 1900MHz (PCS, also refferred as UMTS Band II) band (downlink: 1932.4 - 1987.6 MHz, uplink: 1852.4-1907.6 MHz), UMTS850 (B5)UMTS850 phones support UMTS 850 MHz (CLR, also refferred as UMTS Band V) band (downlink: 871.4 - 891.6 MHz, uplink: 826.4 - 846.6 MHz), UMTS900 (B8)UMTS900 phones support UMTS 900 MHz (UMTS Band VIII) band (downlink: 927.4 - 957.6 MHz, uplink: 882.4-912.6 MHz), TD-SCDMA2000TD-SCDMA2000 phones support TD-SCDMA 2000 MHz band (2010 - 2025 MHz), TD-SCDMA1900TD-SCDMA1900 phones support TD-SCDMA 1900 MHz band (1880 - 1920 MHz)
Sec. SIM Card SlotSecondary Supported Subscriber Identification Card (SIM) Format  Nano-SIM (4FF)
Sec. Supported Cellular Data Links:   GPRSGeneral Packet Radio Service, EDGEEnhanced Data Rates for GSM Evolution also known as Enhanced GPRS (EGPRS), UMTSUniversal Mobile Telecommunications System. UMTS Release '99 data link layer, W-CDMA grants up to 384 kbit/s pocket-switched download speed., HSUPAHigh-Speed Uplink Packet Access is a 3.5G UMTS uplink protocol., HSUPA 5.8, HSDPAHigh-Speed Downlink Packet Access is a 3.5G UMTS downlink protocol., HSPA+ 21.1, TD-SCDMATime Division Synchronous Code Division Multiple Access is the implementation of UMTS  (3G) cellular network in China., TD-HSDPA

Control PeripheralsControl Peripherals: 

Touchscreen TypeDetermines how the touchscreen module senses the touch of the screen  Capacitive multi-touch screen

Communication InterfacesCommunication Interfaces: 

Expansion InterfacesNon-volatile memory and/or I/O expansion interfaces. For example: microSD, microSDXC, SDHC, CF II., PCMCIA III., etc.  TransFlash, microSDSupports memory cards with capacity of up to 2GB and may comply with some (not HC) memory cards with higher capacity than 2GB  , microSDHCA micro-SDHC-capable device supports High Capacity (SD 2.0/HC) memory cards with capacity of up to 32GB., microSDXCA microSDXC-capable device supports eXtended-Capacity memory cards with capacity of up to 128 GB, 256 GB or 2 TB.
USBFirst or the only USB port. USB is a common high-speed serial bus standard that allows data and power transfer between the mobile device and another computer. Version of USB identifies USB standard.  USB 2.0Released in April 2000, USB 2.0 specification introduced USB Hi-Speed enabling devices to communicate at 480 Mbit/s data rate.
USB Speed RateDetermines the highest available data transfer speed of first USB port. Usual standard speed levels: High-Speed (HS), Super-Speed (SS)  USB HS (480 Mbps)
USB ServicesPossible services: USB power supply, USB charging, USB fast charging, USB host, OTG, etc.  USB chargingThe device is able to charge its battery supplied from the USB port., USB HostUSB host devices are capable of controlling USB client devices, like mass storage devices, mouse, keyboard, camera, printer, scanner, etc., USB OTG 1.3, USB power supplyDevice which meets USB Battery Charging Specification Revision 1.1 is able to supply current from 500 mA to 1.5 A for the client device.
USB ConnectorPhysical USB connector layout. Most common types: micro-USB, USB A, USB Type-C or proprietary (e.g. Lightning)  USB Micro-AB
BluetoothIEEE 802.15 is a short-range radio technology standard that allows transfer of data, and the use of accessories such as wireless audio devices and printers. This field specifies the supported BT version.  Bluetooth 4.2From Dec, 2014
Wireless LANWireless LAN / WLAN / Wi-Fi: 802.11 defines a medium-range wireless data link that allows for internet access and data transfer. This field enumerates the supported protocols (e.g. 802.11a/b/g/n).  802.11b, 802.11g, 802.11n
Wireless ServicesPossible extras: Miracast, DLNA, WiFi Tethering, UPnP, WiFi Display, AirPlay, etc.  Wi-Fi Direct, Wi-Fi TetheringWi-Fi Mobile Hotsport, WiDiIntel Wireless Display
IRInfrared Port (IR): Near-field (within 1 meter) wireless optical data link mainly for connecting mobile devices, accessories and consumer electronic devices (remote control).  Yes
YesDetermines the highest available data transfer speed of IR port

Multimedia BroadcastMultimedia Broadcast: 

FM Radio ReceiverWith a bulit-in FM radio the device is able to receive FM (frequency modulated) broadcast in 79 - 108 MHz band.  FM radio (76-108 MHz) with RDS


Satellite NavigationSatellite Navigation: 

Complementary GPS ServicesPossible extras: S-GPS, A-GPS, Geotagging, TMC, QuickGPS, QZSS, etc.  A-GPS, Geotagging, QuickGPS
Supported GLONASS protocol(s)GLONASS is a global satellite  navigation system operated by Russia.  Yes
Supported BeiDou system (BDS)BeiDou System (BDS) is a Chinese satellite navigation system. Its global variant is the BeiDou-2 alias COMPASS.  BeiDou-2 BeiDou receiver

CameraCameraPrimary camera usually has better imaging capabilities than secondary camera if any

Camera PlacementRefers to the placement of the primary camera on the device. Front, rear or rotatable. Generally rear.  Rear
Camera Image SensorRefers to the semiconductor technology of image sensor (FSI CMOS, BSI CMOS, etc.)  CMOSComplementary MOS circuit
Number of effective pixelsA measurement of the maximum pixel number at which the camera can take a picture, often referred to as Megapixels (when horizontal and vertical measurements are multiplied) 12.2 MP camera
Aperture (W)Wide-angle aperture of lens or aperture of lens in case of camera without optical zoom f/2.20
Optical ZoomA feature that changes the focal length of the lens of a camera. Optical zoom requires the lens to move in and out, providing high-quality close ups from a distance 1 x
FocusCD AF, PD AF, Laser AF, etc. No / Not supported means there is no adjustable optical system or no camera built-in at all  PD AFPhase-detection (PD) is a passive autofocus system which measures the phase difference between a two images to reach correct focus.
Camcorder ResolutionA measurement of the maximum horizontal and vertical pixel numbers at which the primary camera can capture video 1920x1080 pixel
30 fpsRecording frame rate when recording video at maximum resolution
FlashA flash is used to brighten dark areas when taking photographs; is also used as a flashlight. This field contains the exact type of the flash.  single LEDAlso known as mobile light
Camera Extra FunctionsPopular extra features of the primary camera: EIS, EIS for video, OIS, OIS for video, Face detection, 3D photo, HDR photo, HDR video, Macro mode, Panorama Photo, Red-eye reduction, Refocus, Smile detection, Slow motion video, Burst mode, Face Retouch  EIS (video), HDR photoHigh dynamic range image recording, Red-eye reduction, Burst mode, Touch focus, Macro modeAn autofocus feature that allows for close-up photographs to be taken with the onboard digital camera, Panorama Photo, Face detection, Face tagging, Smile detection, Face retouch, Face retouch (video), Intelligent scene detection
Aux. Camera Image Sensor TechnologyAuxiliary camera sensor technology in dual lens setup  CMOSComplementary MOS circuit
Auxiliary Camera ResolutionAuxiliary camera resolution in dual lens setup 4.9 MP aux. camera

Secondary CameraSecondary CameraWidely used for video telephony or taking selfies

Secondary Camera PlacementRefers to the placement of the secondary camera on the device. Front or rear. Generally front camera for selfies or video call.  Front
Secondary Camera SensorRefers to the semiconductor technology of sec camera image sensor (FSI CMOS, BSI CMOS, etc.)  CMOSComplementary MOS circuit
Secondary Number of pixelsA measurement of the maximum pixel number at which the sec. camera can take a picture, often referred to as Megapixels (when horizontal and vertical measurements are multiplied) 15.9 MP 2nd camera
Secondary Aperture (W)Wide-angle aperture of lens or aperture of lens in case of secondary camera without optical zoom f/2.00
Secondary Optical ZoomOptical zoom of sec. camera 1 x
Secondary Camcorder ResolutionA measurement of the maximum horizontal and vertical pixel numbers at which the secondary camera can capture video 1920x1080 pixel
Sec. Built-in FlashExact type of flash placed near to secondary camera lens  single LEDAlso known as mobile light
Secondary Camera Extra FunctionsPopular extra features of the secondary camera: Face detection, HDR photo, Selfie Panorama, Smile detection, Face Retouch / Face Beautification  HDR photoHigh dynamic range image recording, Burst mode, Panorama Photo, Face detection, Smile detection, Face retouch, Face retouch (video)

Power SupplyPower Supply: 

BatteryBattery technology  Lithium-ion
built-inPossible options: removable, built-in
Nominal Battery CapacityThe nominal mAh capacity of the battery 3080 mAh battery

Ingress Protection Ingress Protection : 

Protection from solid materialsIngress Protection Standards. IP First digit: Protection from solid objects or materials  Yes
Protection from liquidsIngress Protection Standards. IP Second digit: Protection from liquids  Yes

Built-in SensorsBuilt-in Sensors: 

Built-in compassBuilt-in electroinc compass types: 1D, 2D, 3D  Yes
Built-in accelerometerAn internal component that senses acceleration components of the device.  Used for automatic screen rotation and for games and applications that rely on acceleration measurement  on X, Y, and Z axis. Possible types: 1D, 2D, 3D  Yes
Built-in gyroscopeAn internal component that senses the orientation of the device.  Used for automatic screen rotation and for games and applications that rely on the devices position in the X, Y, and Z axis. Possible types: 1D, 2D, 3D  Yes
Additional sensorsBuilt-in ambient (barometer, temperature, altimeter, light, etc.), biometric (fingerprint, HR, step, etc.) and comfort (hall sensor, gesture sensor, proximity, etc.) sensors  Fingerprint sensorDevice is able to identify the user by using a built-in dedicated biometric fingerprint recogniser sensor, Hall, Light sensorBy measuring the intensity of the ambient light device may control the brightness level of the screen, Proximity sensorBased on this sensor signal device may control the volume of the voice speaker or dim the display during a call

Datasheet Attributes: 
Data IntegrityData integrity level determines the integrity of the published information. Final datasheets are not intended to be modified in the future, preliminary ones can be based on unofficial information or speculations, incomplete ones are also preliminary b  Final
AddedThe exact time of the datasheet addition 2018-05-14 21:31
 
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