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IntroductionIntroduction: 
BrandBrand name of the device. This may match with the manufacturer Asus
ModelOne or more (separated by /) specific model name identifies this device. This field may include model code too. ZenFone 4 Pro SE Dual SIM Global TD-LTE ZS551KL 64GB
ReleasedFirst official market release date in (year, month) 2018 Feb
AnnouncedDate of the official announcement (year, month) 2018 Jan
Hardware DesignerThe company which designed this device ASUSTeK Computer
ManufacturerThe company which produces this device ASUSTeK Computer
OEM IDThe OEM ID is internal code and refers to a specific variant of the model series Z01GS
General ExtrasHardware extras like stylus, kickstand, rotatatble screen, rotatable keyboard, haptic feedback, etc.  Haptic touch feedbackHaptic (inlcuding kinesthetic) touch device applies forces and vibrations to give feedback to the user when tapping the touchscreen
Device CategorySmartphone, tablet, smart watch, PDA, palmtop, etc.  SmartphoneCallular voice-capable usually touchscreen mobile computer which natively runs third-party apps.

Physical AttributesPhysical Attributes: 
WidthWidth is horizontally measured between the left and right edges of device according to the default display orientation 75.6 mm
HeightHeight is vertically measured between the bottom and top edges of device according to the default display orientation 156.9 mm
DepthDepth refers to the thickness of the device. Depth is usually the smallest dimension of the device 7.6 mm
DimensionsAll dimensions are maximal values (measured between the furthest points of the device) in closed state 2.98x6.18x0.30 inches
MassThe mass of the device including standard battery and stylus (if any and it can be inserted into the device) measured in grams 175 g
6.17 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 7.1.1 (Nougat)Google Android 7.1.1 (Nougat)
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)

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. 2450 MHz
CPUManufacturer part number and most important characteristics of the IC which includes the main application processor or processors Qualcomm Snapdragon 835 MSM8998, 2017, 64 bit, octa-core, 32 Kbyte I-Cache, 32 Kbyte D-Cache, 2048 Kbyte L2, 10 nm, Qualcomm Adreno 540 GPUQualcomm Snapdragon 835 MSM8998, 2017, 64 bit, octa-core, 32 Kbyte I-Cache, 32 Kbyte D-Cache, 2048 Kbyte L2, 10 nm, Qualcomm Adreno 540 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).  LPDDR4x SDRAM
1866 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), number of channels and clock rate (e.g. 200 MHz) determines peak transfer rate
RAM Capacity (converted)RAM capacity in binary bytes (KiB: 1024 bytes, MiB: 1024 KiB, GiB: 1024 MiB) 6.00 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
ResolutionHorizontal and vertical resolution of the primary display. In case of display with rounded edges this refers to the smallest bounding rectangle. 1080x1920
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. 139 mm
5.5 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. 7.45 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, holes. 69.6%
Pixel DensityIndicates the number of pixels per inch 403 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  AM-OLEDColor AM-OLED (Active Matrix - Organic Light-emitting Diode) display techology. display
Number of Display ScalesMaximal number of displayable colors or scales 16.8M
Scratch Resistant ScreenUsual types: Gorilla Glass generations, DragonTrail/X, Sapphire Glass  Gorilla Glass 3

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 540
GPU Clock:  710 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  33.0 Surround sound or three microphones for noise cancellation
Loudpeaker(s):   stereo
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) , UMTS1800 (B3)UMTS1800 phones support UMTS 1800MHz (UMTS Band III) band (downlink: 1807.4 - 1877.6 MHz, uplink: 1712.4-1782.6 MHz) , UMTS1700/2100 (B4)UMTS1700/2100 phones support UMTS 1700 / 2100 MHz (AWS, also refferred as UMTS Band IV) band (downlink: 2112.4 - 2152.6 MHz, uplink: 1712.4-1752.6 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) , UMTS800 (B6)UMTS800 phones support UMTS 800 MHz (UMTS Band 6) band (downlink: 875 - 885 MHz, uplink: 830-840 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) , UMTS800 (B19)UMTS800 phones support UMTS 800 MHz (UMTS Band 6) band (downlink: 877.4 - 887.6 MHz, uplink: 832.4-842.6 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) , LTE1900 (B2)LTE1900 phones support LTE 1900 MHz (PCS , also referred as LTE Band 2) band (downlink: 1930 - 1990 MHz, uplink: 1850 - 1910 MHz) , LTE1800 (B3)LTE1800 phones support LTE 1800 MHz (LTE Band 3) band (downlink: 1805 - 1880 MHz, uplink: 1710 - 1785 MHz) , LTE1700/2100 (B4)LTE1700/2100 phones support LTE 1700 / 2100 MHz (AWS also referred as LTE Band 4) band (downlink: 2110 - 2155 MHz, uplink: 1710 - 1755 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) , LTE700 (B12)LTE700 phones support LTE 700 MHz (LTE Band 12) band (downlink: 728 - 746 MHz, uplink: 698 - 716 MHz) , LTE700 (B17)LTE700 phones support LTE 700 MHz (LTE Band 17) band (downlink: 734 - 746 MHz, uplink: 704 - 716 MHz) , LTE800 (B18)LTE800 phones support LTE 800 MHz (LTE Band 18) band (downlink: 860 - 875 MHz, uplink: 815 - 830 MHz) , LTE800 (B19)LTE800 phones support LTE 800 MHz (LTE Band 19) band (downlink: 875 - 890 MHz, uplink: 830 - 845 MHz) , LTE800 (B20)LTE800 phones support LTE 800 MHz (LTE Band 20) band (downlink: 791 - 821 MHz, uplink: 832 - 862 MHz) , LTE850 (B26)LTE850 phones support LTE 850 MHz (LTE Band 26) band (downlink: 859 - 894 MHz, uplink: 814 - 849 MHz) , LTE700 (B28)APT700 phones support LTE 700 MHz (LTE Band 28) band (downlink: 758 - 803 MHz, uplink: 703 - 748 MHz) , LTE700 (B29)LTE Band 29 band (downlink: 716 - 728 MHz) is for carrier aggregation , LTE2300 (B30)LTE Band 30 band (downlink: 2350 - 2360 MHz, uplink: 2305 - 2315 MHz) , LTE1500 (B32)LTE Band 32 band (downlink: 1452 - 1496 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 , DC-HSDPA 42.2Dual-carrier HSPA+ 42.2 Mbps , 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) , LTE 300/50More exact values: LTE 301 Mbps / 50.4 Mbps (Cat. 6) , LTE 300/75LTE 300 Mbps / 75.6 Mbps (Cat. 5) , LTE 300/100More exact values: LTE 301 Mbps / 100.8 Mbps (Cat. 7) , LTE 400/150LTE Category 13: 400 Mbps downlink, 150 Mbps uplink , LTE 400/100LTE Category 14: 400 Mbps downlink, 100 Mbps uplink , LTE 450/50LTE Category 9: 450 Mbps downlink, 50 Mbps uplink , LTE 450/100LTE Category 10: 450 Mbps downlink, 100 Mbps uplink , LTE 600/50LTE Category 11: 600 Mbps downlink, 50 Mbps uplink , LTE 600/100LTE Category 12: 600 Mbps downlink, 100 Mbps uplink , LTE 1000LTE Category 16: 1000 Mbps downlink, 5 CA 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) , UMTS1800 (B3)UMTS1800 phones support UMTS 1800MHz (UMTS Band III) band (downlink: 1807.4 - 1877.6 MHz, uplink: 1712.4-1782.6 MHz) , UMTS1700/2100 (B4)UMTS1700/2100 phones support UMTS 1700 / 2100 MHz (AWS, also refferred as UMTS Band IV) band (downlink: 2112.4 - 2152.6 MHz, uplink: 1712.4-1752.6 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) , UMTS800 (B6)UMTS800 phones support UMTS 800 MHz (UMTS Band 6) band (downlink: 875 - 885 MHz, uplink: 830-840 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) , UMTS800 (B19)UMTS800 phones support UMTS 800 MHz (UMTS Band 6) band (downlink: 877.4 - 887.6 MHz, uplink: 832.4-842.6 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) , LTE1900 (B2)LTE1900 phones support LTE 1900 MHz (PCS , also referred as LTE Band 2) band (downlink: 1930 - 1990 MHz, uplink: 1850 - 1910 MHz) , LTE1800 (B3)LTE1800 phones support LTE 1800 MHz (LTE Band 3) band (downlink: 1805 - 1880 MHz, uplink: 1710 - 1785 MHz) , LTE1700/2100 (B4)LTE1700/2100 phones support LTE 1700 / 2100 MHz (AWS also referred as LTE Band 4) band (downlink: 2110 - 2155 MHz, uplink: 1710 - 1755 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) , LTE700 (B17)LTE700 phones support LTE 700 MHz (LTE Band 17) band (downlink: 734 - 746 MHz, uplink: 704 - 716 MHz) , LTE800 (B19)LTE800 phones support LTE 800 MHz (LTE Band 19) band (downlink: 875 - 890 MHz, uplink: 830 - 845 MHz) , LTE800 (B20)LTE800 phones support LTE 800 MHz (LTE Band 20) band (downlink: 791 - 821 MHz, uplink: 832 - 862 MHz) , LTE700 (B28)APT700 phones support LTE 700 MHz (LTE Band 28) band (downlink: 758 - 803 MHz, uplink: 703 - 748 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)
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 , DC-HSDPA 42.2Dual-carrier HSPA+ 42.2 Mbps , LTE 100/50LTE 100.8 Mbps / 50.4 Mbps (Cat. 3) , LTE 150/50LTE 151.2 Mbps / 50.4 Mbps (Cat. 4) , LTE 300/50More exact values: LTE 301 Mbps / 50.4 Mbps (Cat. 6) , LTE 300/100More exact values: LTE 301 Mbps / 100.8 Mbps (Cat. 7) , LTE 400/100LTE Category 14: 400 Mbps downlink, 100 Mbps uplink , LTE 450/50LTE Category 9: 450 Mbps downlink, 50 Mbps uplink , LTE 450/100LTE Category 10: 450 Mbps downlink, 100 Mbps uplink , LTE 600/50LTE Category 11: 600 Mbps downlink, 50 Mbps uplink , LTE 600/100LTE Category 12: 600 Mbps downlink, 100 Mbps uplink

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.  Yes
USB HS (480 Mbps)Determines the highest available data transfer speed of first USB port. Usual standard speed levels: High-Speed (HS), Super-Speed (SS)
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 fast chargingFast charging is supported , 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 OTG 2.0 , USB PDDevice which meets USB Battery Charging Specification Revision 1.1 / 1.2 is able to supply current from 500 mA to 1.5 A for the client device at 5V.
USB ConnectorPhysical USB connector layout. Most common types: micro-USB, USB A, USB Type-C or proprietary (e.g. Lightning)  USB C reversible
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 5.0Released in Dec, 2016
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).  802.11a , 802.11b , 802.11g , 802.11n , 802.11ac
Wireless ServicesPossible extras: Miracast, DLNA, WiFi Tethering, UPnP, WiFi Display, AirPlay, etc.  Wi-Fi Direct
NFCNear Field Communication is short-range wireless radio data exchange technology based on radio-frequency identification (RFID). This field enumerates the supported NFC technologies.  NFC (A)ISO/IEC 14443 Type A , NFC (B)ISO/IEC 14443 Type B

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.  Simultaneous GPS , A-GPS , Geotagging , QuickGPS
Supported GLONASS protocol(s)GLONASS is a global satellite navigation system operated by Russia.  Yes
Supported Galileo service(s)Galileo is a global satellite navigation system operated by European Union and the European Space Agency.  Yes
Supported BeiDou system (BDS)BeiDou System (BDS) is a Chinese satellite navigation system. Its global variant is the BeiDou-2 alias COMPASS.  BeiDou-2BeiDou-2 (COMPASS) 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.)  BSI CMOSBackside Illuminated CMOS (Complementary MOS circuit)
Image Sensor Pixel SizePixel size of the primary camera sensor 1.40 micrometer
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) 11.6 MP camera
Aperture (W)Wide-angle aperture of lens or aperture of lens in case of camera without optical zoom f/1.70
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 2.0 x optical zoom
5.0 x digital zoomDigital zoom is an image signal processing method which cuts out and enlarges a desired part of the captured image while losing the rest of the image
FocusCD AF, PD AF, Laser AF, etc. No / Not supported means there is no adjustable optical system or no camera built-in at all  CD AFContrast-detection (CD) is a passive autofocus method without distance measurement which adjusts the optical system until maximum contrast is measured through the lens. , PD AFPhase-detection (PD) is a passive autofocus system which measures the phase difference between a two images to reach correct focus. , Laser AFLaser AF is an active autofocus system which emits infrared beam to precisely measure the distance of the subject.
Min. Equiv. Focal LengthMinimum focal length (35 mm equivalent) of lens or fixed focal length (35 mm equivalent) in case of lens without optical zoom. 25 mm
Video RecordingA measurement of the maximum horizontal and vertical pixel numbers at which the primary camera can capture video 3840x2160 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.  dual LED
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) , OISOIS (also know as IS, OS, VR, AS) utilizies precision electromechanic actuators in the lens which modifies the optical path to the image sensor to compensate the motion of the camera. , HDR photoHigh dynamic range image recording , HDR videoHigh-dynamic-range video recording , Red-eye reduction , Slow motion videoSlowmo cameras are able to achieve at least 100 frame per second frame rate. , 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)
Aux. Camera Image SensorAuxiliary camera image sensor technology in at least dual lens setup  BSI CMOSBackside Illuminated CMOS (Complementary MOS circuit)
Auxiliary Camera ResolutionAuxiliary camera resolution in dual lens setup 15.9 MP aux. camera
Aux. Cam. Min. Equiv. Focal LengthMinimum focal length (35 mm equivalent) of aux. lens or fixed focal length (35 mm equivalent) in case of aux. lens without optical zoom. 50 mm

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) 8.0 MP 2nd camera
Secondary Aperture (W)Wide-angle aperture of lens or aperture of lens in case of secondary camera without optical zoom f/1.90
Secondary Camera FocusFocus methods of secondary camera  PD AFPhase-detection (PD) is a passive autofocus system which measures the phase difference between a two images to reach correct focus.
Secondary Video RecordingA measurement of the maximum horizontal and vertical pixel numbers at which the secondary camera can capture video 3840x2160 pixel
30 fpsRecording frame rate when recording video by the secondary camera at maximum resolution
Secondary Camera Extra FunctionsPopular extra features of the secondary camera: Face detection, HDR photo, Selfie Panorama, Smile detection, Face Retouch / Face Beautification  EISEIS (or digital IS) uses further buffer pixels around the active pixel matrix and dinamically shifts the recorded image in 4 direction to compensate the motion of the camera. , HDR photoHigh dynamic range image recording , HDR videoHigh-dynamic-range video recording , Burst mode , Touch focus , Panorama Photo , Face detection , Face tagging , Smile detection , Face retouch , Face retouch (video)

Power SupplyPower Supply: 
BatteryBattery technology  Li-ion polymer (LiPo)
built-inPossible options: removable, built-in
Nominal Battery CapacityThe nominal mAh capacity of the battery 3600 mAh battery
Estimated Battery LifeEstimated always-on battery life of the device in case of common usage conditions 17 hours
Talk Time:  27.5 hours

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 placed at the front, rear or any side of the device , 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 , Step counter

Geographical AttributesGeographical Attributes: 
Market CountriesCountries where the device was officially sold. Overlap is possible.  Austria , Czech , France , Germany , Hungary , Italy , Netherlands , Portugal , Russia , Slovakia , Spain , Taiwan
Market RegionsRegions where the device was officially sold. Overlap is possible.  Asia , Eastern Europe , Europe , Western Europe

Datasheet AttributesDatasheet 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  Preliminary
AddedThe exact time of the datasheet addition 2018-01-29 15:33
 

Asus ZenFone 4 Pro SE Dual SIM Global TD-LTE ZS551KL 64GB

Asus ZenFone 4 Pro SE Dual SIM Global TD-LTE ZS551KL 64GB
Platform: android Audio Output: audio_jack Supported Cellular Bands: gsm Supported Cellular Data Links: gprs Supported Cellular Data Links: edge Supported Cellular Data Links: umts Supported Cellular Data Links: hspa Supported Cellular Data Links: hspa_plus Supported Cellular Data Links: lte Supported Cellular Data Links: lte-a Complementary Phone Services: phone Complementary Phone Services: vibration Complementary Phone Services: speakerphone Dual Cellular Network Operation Expansion Interfaces USB Services: usb_otg USB Connector: usb_c Bluetooth Wireless LAN NFC FM Radio Receiver Complementary GPS Services Supported GLONASS protocol(s) Supported BeiDou system (BDS) Number of effective pixels: 11.6 MP camera Auxiliary Camera Resolution: 15.9 MP aux. camera Secondary Number of pixels: 8.0 MP 2nd camera Built-in compass Built-in accelerometer Built-in gyroscope Additional sensors: fingerprint Additional sensors: stepcounter
Available at overseas Electronics - www.welectronics.com

Predecessor Model

Asus ZenFone 3 Deluxe 5.5 Dual SIM Global TD-LTE 64GB ZS550KL
Asus ZenFone 3 Deluxe 5.5 Dual SIM Global TD-LTE 64GB ZS550KL
Z01FD, Google Android 6.0.1 (Marshmallow), Qualcomm Snapdragon 625 MSM8953, 4.00 GiB RAM, 64.0 GB ROM, 1080x1920, 5.5 inch, 15.9 MP camera, 8.0 MP 2nd camera, 3000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

See also

Asus ZenFone 4 Pro Dual SIM Global TD-LTE ZS551KL 64GB
Asus ZenFone 4 Pro Dual SIM Global TD-LTE ZS551KL 64GB
Z01GS, Google Android 7.1.1 (Nougat), Qualcomm Snapdragon 835 MSM8998, 6.00 GiB RAM, 64.0 GB ROM, 1080x1920, 5.5 inch, 11.6 MP camera, 8.0 MP 2nd camera, 3600 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ZenFone 6 2019 Dual SIM TD-LTE AM Version C ZS630KL 256GB (Asus S630)
Asus ZenFone 6 2019 Dual SIM TD-LTE AM Version C ZS630KL 256GB (Asus S630)
I01WD, Google Android 9.0 (Pie), Qualcomm Snapdragon 855 SM8150 (Hana), 8.00 GiB RAM, 256.0 GB ROM, 1080x2340, 6.4 inch, 48.0 MP camera, 5000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ZenFone 6 2019 Dual SIM TD-LTE APAC Version B ZS630KL 64GB (Asus S630)
Asus ZenFone 6 2019 Dual SIM TD-LTE APAC Version B ZS630KL 64GB (Asus S630)
I01WD, Google Android 9.0 (Pie), Qualcomm Snapdragon 855 SM8150 (Hana), 6.00 GiB RAM, 64.0 GB ROM, 1080x2340, 6.4 inch, 48.0 MP camera, 5000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ZenFone 6 2019 Dual SIM TD-LTE APAC Version B ZS630KL 256GB (Asus S630)
Asus ZenFone 6 2019 Dual SIM TD-LTE APAC Version B ZS630KL 256GB (Asus S630)
New I01WD, Google Android 9.0 (Pie), Qualcomm Snapdragon 855 SM8150 (Hana), 8.00 GiB RAM, 256.0 GB ROM, 1080x2340, 6.4 inch, 48.0 MP camera, 5000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ZenFone 6 2019 Global Dual SIM TD-LTE Version A ZS630KL 64GB / 6z (Asus S630)
Asus ZenFone 6 2019 Global Dual SIM TD-LTE Version A ZS630KL 64GB / 6z (Asus S630)
I01WD, Google Android 9.0 (Pie), Qualcomm Snapdragon 855 SM8150 (Hana), 6.00 GiB RAM, 64.0 GB ROM, 1080x2340, 6.4 inch, 48.0 MP camera, 5000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ZenFone Max M2 Dual SIM TD-LTE APAC Version B 64GB ZB633KL
Asus ZenFone Max M2 Dual SIM TD-LTE APAC Version B 64GB ZB633KL
Google Android 8.1 (Oreo), Qualcomm Snapdragon 632 SDM632, 4.00 GiB RAM, 64.0 GB ROM, 720x1520, 6.3 inch, 13.0 MP camera, 8.0 MP 2nd camera, 4000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ZenFone Max M2 Dual SIM TD-LTE APAC Version B 32GB ZB633KL
Asus ZenFone Max M2 Dual SIM TD-LTE APAC Version B 32GB ZB633KL
Google Android 8.1 (Oreo), Qualcomm Snapdragon 632 SDM632, 4.00 GiB RAM, 32.0 GB ROM, 720x1520, 6.3 inch, 13.0 MP camera, 8.0 MP 2nd camera, 4000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ZenFone Max M2 Dual SIM TD-LTE EMEA Version A 64GB ZB633KL
Asus ZenFone Max M2 Dual SIM TD-LTE EMEA Version A 64GB ZB633KL
Google Android 8.1 (Oreo), Qualcomm Snapdragon 632 SDM632, 4.00 GiB RAM, 64.0 GB ROM, 720x1520, 6.3 inch, 13.0 MP camera, 8.0 MP 2nd camera, 4000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ZenFone Max M2 Dual SIM TD-LTE EMEA Version A 32GB ZB633KL
Asus ZenFone Max M2 Dual SIM TD-LTE EMEA Version A 32GB ZB633KL
Google Android 8.1 (Oreo), Qualcomm Snapdragon 632 SDM632, 3.00 GiB RAM, 32.0 GB ROM, 720x1520, 6.3 inch, 13.0 MP camera, 8.0 MP 2nd camera, 4000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ZenFone Max Pro M2 Dual SIM TD-LTE APAC Version B 128GB ZB631KL
Asus ZenFone Max Pro M2 Dual SIM TD-LTE APAC Version B 128GB ZB631KL
Google Android 8.1 (Oreo), Qualcomm Snapdragon 660 SDM660, 4.00 GiB RAM, 128.0 GB ROM, 1080x2280, 6.3 inch, 12.2 MP camera, 13.0 MP 2nd camera, 5000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ZenFone Max Pro M2 Dual SIM TD-LTE APAC Version B 64GB ZB631KL
Asus ZenFone Max Pro M2 Dual SIM TD-LTE APAC Version B 64GB ZB631KL
Google Android 8.1 (Oreo), Qualcomm Snapdragon 660 SDM660, 4.00 GiB RAM, 64.0 GB ROM, 1080x2280, 6.3 inch, 12.2 MP camera, 13.0 MP 2nd camera, 5000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ZenFone Max Pro M2 Global Dual SIM TD-LTE Version A 64GB ZB631KL
Asus ZenFone Max Pro M2 Global Dual SIM TD-LTE Version A 64GB ZB631KL
Google Android 8.1 (Oreo), Qualcomm Snapdragon 660 SDM660, 6.00 GiB RAM, 64.0 GB ROM, 1080x2280, 6.3 inch, 12.2 MP camera, 13.0 MP 2nd camera, 5000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ROG Phone II Dual SIM TD-LTE CN 512GB (Asus I001D)
Asus ROG Phone II Dual SIM TD-LTE CN 512GB (Asus I001D)
New I001DB, Google Android 9.0 (Pie), Qualcomm Snapdragon 855+ SM8150-AC (Hana), 12.00 GiB RAM, 512.0 GB ROM, 1080x2340, 6.6 inch, 48.0 MP camera, 24.0 MP 2nd camera, 6000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ROG Phone II Dual SIM TD-LTE CN 128GB (Asus I001D)
Asus ROG Phone II Dual SIM TD-LTE CN 128GB (Asus I001D)
New I001DA, Google Android 9.0 (Pie), Qualcomm Snapdragon 855+ SM8150-AC (Hana), 8.00 GiB RAM, 128.0 GB ROM, 1080x2340, 6.6 inch, 48.0 MP camera, 24.0 MP 2nd camera, 6000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Asus ROG Phone II Global Dual SIM TD-LTE 512GB (Asus I001D)
Asus ROG Phone II Global Dual SIM TD-LTE 512GB (Asus I001D)
New I001DC, Google Android 9.0 (Pie), Qualcomm Snapdragon 855+ SM8150-AC (Hana), 12.00 GiB RAM, 512.0 GB ROM, 1080x2340, 6.6 inch, 48.0 MP camera, 24.0 MP 2nd camera, 6000 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

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