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IntroductionIntroduction: 
BrandBrand name of the device. This may match with the manufacturer Apple
ModelOne or more (separated by /) specific model name identifies this device. This field often includes Model Code too which can be separated Watch Series 4 40mm TD-LTE NA A1975
BriefBrief Introduction: One or two sentences which enumerates some important attributes of the specifc device variant described by this datasheet
North American LTE-ready 40 mm version Watch S4 features larger screen with reduced bezels, 2th generation electric ECG sensor and NFC support
ReleasedFirst official market release date in (year, month) 2018 Sep 21
AnnouncedDate of the official announcement (year, month) 2018 Sep 12
Hardware DesignerThe company which designed this device Apple
ManufacturerThe company which produces this device Quanta Computer
CodenameThe codename internally identified the design project of this product. Model variants of the same model are identified and linked to each other via the same Codename Apple Watch 4,3
OEM IDThe OEM ID is internal code and refers to a specific variant of the model series N141sAP
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 , Tactile touch feedback
Device CategorySmartphone, tablet, smart watch, PDA, palmtop, etc.  SmartwatchSmart watch is a kind of wearable computers which is able to manage phone calls in cooperation with smartphones or tablets. It may have various built-in sensors to support sport and fitness activites.
List of Additional FeaturesComma separated list of low priority special features which are not included in other fields
Ion-X Sapphire glass screen, changeable straps, iOS 8.2 support, aluminium case, optical and electrical heart-rate sensors, LTPO OLED Retina Display,

Physical AttributesPhysical Attributes: 
WidthWidth is horizontally measured between the left and right edges of device according to the default display orientation 34 mm
1.34 inchWidth measured in inches
HeightHeight is vertically measured between the bottom and top edges of device according to the default display orientation 40 mm
1.57 inchHeight measured in inches
DepthDepth refers to the thickness of the device. Depth is usually the smallest dimension of the device 10.7 mm
0.42 inchesDepth measured in inches
Bounding VolumeThe volume of the smallest cuboid which can bound the device in cubecentimetres 14.6 ccm
MassThe mass of the device including standard battery and stylus (if any and it can be inserted into the device) measured in grams 30.1 g
1.06 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.  Apple iOS / iPadOSiOS / iPhone OS / iPadOS
Operating SystemPre-installed (usually embedded) operating system which the device was released with. Apple WatchOS 5Apple WatchOS 5
Software ExtrasNavigation software, voice recognition, face recognition, personal assistant app, etc.  Voice Command , 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. 1590 MHz
CPUManufacturer part number and most important characteristics of the IC which includes the main application processor or processors Apple S4 TMJR65 T8006, 2018, 64 bit, dual-core, 32 Kbyte I-Cache, 32 Kbyte D-Cache, 7 nm, Apple G11M GPUApple S4 TMJR65 T8006, 2018, 64 bit, dual-core, 32 Kbyte I-Cache, 32 Kbyte D-Cache, 7 nm, Apple G11M 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).  Yes
RAM CapacityCapacity of the random access memory in mebibytes (binary megabytes) 768 MiB RAM

Non-volatile MemoryNon-volatile Memory: 
Non-volatile Memory TypeType of NV memory IC which determines storage technology, programming / erasing method and write endurance  Flash EEPROM
Non-volatile Memory InterfaceInterface (e.g. UFS 2.0, eMMC 5.1, moviNAND) which determines physical layer (width, clock rate, lanes, protocol) of data transfer between the application processor and the NV memory  Yes
Non-volatile Memory CapacityNon-volatile memory in mebibytes (binary megabytes).2GB = 1907.3MiB, 4GB = 3814.7MiB, 8GB = 7629.4MiB, 16GB = 15258.8MiB, 32GB = 30517.6MiB, 64GB = 61035.2MiB, 128GB = 122070.3MiB, 256GB = 244140.6MiB, 512GB = 488281.3MiB, 1TB = 953674MiB, 2TB = 1907349Mi 15258 MiB non-volatile

DisplayDisplayAll parameters that related to display
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. 38.94 mm
1.5 inchDisplay Diagonal in inches
ResolutionHorizontal and vertical resolution of the primary display. In case of display with rounded edges this refers to the smallest bounding rectangle. 324x394
127656 pixelsThe total number of pixels is the product of horizontal and vertical number of pixels
Display WidthThe distance between the vertical edges of the display (horizontal display size). In case of display with rounded edges this refers to the smallest bounding rectangle. 24.73 mm
0.97 inchDisplay width in inches
Display HeightThe distance between the horizontal edges of the display (vertical Display Size). In case of display with rounded edges this refers to the smallest bounding rectangle. 30.08 mm
1.18 inchDisplay height 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. 9.27 mm
Display AreaCalculated display area is the product of max. horizontal and vertical display sizes. In case of display with rounded edges or notch this refers to the smallest display bounding rectangle. 743.9 square millimeter
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. 54.7%
Pixel SizeCalculated pixel size based on display diagonal, resolution and aspect ratio 0.07634 mm/pixel
Pixel DensityIndicates the number of pixels per inch 333 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 AM-OLEDColor AM-OLED (Active Matrix - Organic Light-emitting Diode) display techology. display
Display Color DepthColor depth defines how many colors or greyscales can be displayed 24 bit/pixel
Number of Display ScalesMaximal number of displayable colors or scales 16.8M
Display Dynamic Range DepthBit depth of the dynamic range defines the luminance ratio between the brightest and the darkest state of a pixel (HDR10: 10 bit, HDR10+: 12 bit) 8 bit/pixel
Display IlluminationForm of illumination used for lighting or backlighting LCD display in dark and dim ambient condtions.  Self-illuminatingOLED-based display technologies do not require illumination because they are built up from organic light-emitting diodes.
Display Subpixel SchemeSpecifies how and how many subpixels are pixels consists of. Usual schemes: RGB, RGBG, RGBW, PenTile, Diamond Pixel  Yes
Scratch Resistant ScreenUsual types: Gorilla Glass generations, DragonTrail/X, Sapphire Glass  Sapphire Glass

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 Apple G11M

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: 
Audio Channel(s)Number of independent channels supported by the audio subsystem of the device, e.g.: mono, stereo, 5.1, 7.1, etc.  stereo

Sound Recording: 
Microphone(s)Analog or digital sound receiver. Main applications: voice calls, active noise cancellation, voice command, voice/video recording, voice identification  mono

Sound Playing: 
Loudspeaker(s):   mono
Audio Output:   No

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.  UMTS 1900MHz (Band II, PCS)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) , UMTS 1700/2100MHz (Band IV, AWS)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) , UMTS 850MHz (Band V, CLR)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) , LTE 1900 MHz (Band 2, PCS)LTE1900 phones support LTE 1900 MHz (PCS , also referred as LTE Band 2) band (downlink: 1930 - 1990 MHz, uplink: 1850 - 1910 MHz) , LTE 1700/2100 MHz (Band 4, AWS)LTE1700/2100 phones support LTE 1700 / 2100 MHz (AWS also referred as LTE Band 4) band (downlink: 2110 - 2155 MHz, uplink: 1710 - 1755 MHz) , LTE 850 MHz (Band 5)LTE850 phones support LTE 850 MHz (LTE Band 5) band (downlink: 869 - 894 MHz, uplink: 824 - 849 MHz) , LTE 700 MHz (Band 12)LTE700 phones support LTE 700 MHz (LTE Band 12) band (downlink: 728 - 746 MHz, uplink: 698 - 716 MHz) , LTE 700 MHz (Band 13)LTE700 phones support LTE 700 MHz (LTE Band 13) band (downlink: 746 - 756 MHz, uplink: 777 - 787 MHz) , LTE 700 MHz (Band 17)LTE700 phones support LTE 700 MHz (LTE Band 17) band (downlink: 734 - 746 MHz, uplink: 704 - 716 MHz) , LTE 800 MHz (Band 18)LTE800 phones support LTE 800 MHz (LTE Band 18) band (downlink: 860 - 875 MHz, uplink: 815 - 830 MHz) , LTE 800 MHz (Band 19)LTE800 phones support LTE 800 MHz (LTE Band 19) band (downlink: 875 - 890 MHz, uplink: 830 - 845 MHz) , LTE 1900 MHz (Band 25)LTE1900 phones support LTE 1900 MHz (LTE Band 25) band (downlink: 1930 - 1995 MHz, uplink: 1850 - 1915 MHz) , LTE 850 MHz (Band 26)LTE850 phones support LTE 850 MHz (LTE Band 26) band (downlink: 859 - 894 MHz, uplink: 814 - 849 MHz) , TD-LTE 2500 MHz (Band XLI)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.  UMTS 384 kbps (W-CDMA)Universal Mobile Telecommunications System. UMTS Release '99 data link layer, W-CDMA grants up to 384 kbit/s pocket-switched download speed. , HSUPA (Cat. unspecified)High-Speed Uplink Packet Access is a 3.5G UMTS uplink protocol. , HSDPA (Cat. unspecified)High-Speed Downlink Packet Access is a 3.5G UMTS downlink protocol. , LTE (Cat. unspecified)LTE (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 Mbps / 50 Mbps (Cat. 3)LTE 100.8 Mbps / 50.4 Mbps (Cat. 3) , LTE 150 Mbps / 50 Mbps (Cat. 4)LTE 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)
Cellular AntennaPhysical antenna layout. Most common type: internal. Historic types: fixed external, pull-out, open-out  Internal antenna
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. , Vibrating Alert , Push-to-Talk (PTT)Push-to-Talk (PTT) is an analog or digital (Push-to-talk over Cellular) radio service which allows half-duplex voice transfer between two mobile devices (walkie-talkie).
Cellular ControllerManufacturer part number of the cellular modem and controller IC or commercial name of the intellectual property (IP) if the function is the part of a chipset Apple S4
SAR (head)Measured SAR value at head configuration 0.250 W/kg
US standard (max. 1.6 W/kg @ 1g)In case of US (FCC) standard SAR limit is 1.6 W/kg averaged over the 1 g of tissue. measurement methodSAR measurement method (US, EU, etc.) defines the head measurement procedure, scaling and reference tissue mass (1g, 10g, etc.)
LTE 1900 MHz (Band 25)LTE1900 phones support LTE 1900 MHz (LTE Band 25) band (downlink: 1930 - 1995 MHz, uplink: 1850 - 1915 MHz) measurement bandCellular technology and frequency band where the measurement was executed on.
SAR (body)Measured SAR value at body configuration 0.340 W/kg
US standard (max. 1.6 W/kg @ 1g)In case of US (FCC) standard SAR limit is 1.6 W/kg averaged over the 1 g of tissue. measurement methodSAR measurement method (US, EU, etc.) defines the measurement procedure, scaling and reference tissue mass (1g, 10g, etc.)
UMTS 1900MHz (Band II, PCS)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) measurement bandCellular technology and frequency band where the body measurement was executed on.
2nd highest SAR (head)Additional head SAR value 0.230 W/kg
US standard (max. 1.6 W/kg @ 1g)In case of US (FCC) standard SAR limit is 1.6 W/kg averaged over the 1 g of tissue. measurement methodAdditional head SAR measurement method
UMTS 1700/2100MHz (Band IV, AWS)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) measurement band Additional head SAR band
2nd highest SAR (body)Additional body SAR value 0.300 W/kg
US standard (max. 1.6 W/kg @ 1g)In case of US (FCC) standard SAR limit is 1.6 W/kg averaged over the 1 g of tissue. measurement method Additional body SAR measurement method
UMTS 1700/2100MHz (Band IV, AWS)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) measurement bandAdditional body SAR band

Secondary Cellular PhoneSecondary Cellular Phone: 
Sec. Supported Cellular Networks:   No

Control PeripheralsControl Peripherals: 
Touchscreen TypeDetermines how the touchscreen module senses the touch of the screen  Pressure sensitive capacitive multi-touch sensingTouch sensitive surface is able to measure the force of the touch. Also known as Force Touch, 3D Touch screen
Touchscreen Simultaneous Touch PointsDetermines how many touches the touch-sensitive screen module is able to simultaneously detect at most  Yes
Scroll WheelScroll Wheel, jog and rotary machanisms to help user with scrolling on the screen  Pressable rotary scroll wheel


Communication InterfacesCommunication Interfaces: 
Expansion InterfacesNon-volatile memory and/or I/O expansion interfaces. For example: microSD, microSDXC, SDHC, CF II., PCMCIA III., etc.  No
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.  No
NoDetermines the highest available data transfer speed of first USB port. Usual standard speed levels: High-Speed (HS), Super-Speed (SS)
USB ConnectorPhysical USB connector layout. Most common types: micro-USB, USB A, USB Type-C or proprietary (e.g. Lightning)  No
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
Internal antenna
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).  IEEE 802.11b2.4 GHz (ISM band), max. 11 Mbit/s , IEEE 802.11g2.4 GHz (ISM band), max. 54 Mbit/s , IEEE 802.11n2.4 GHz (ISM band) or optional 5 GHz support, max. 600 Mbit/s thanks to MIMO antennas
Internal antenna
WLAN Controller ICManufacturer part number of the WiFi controller IC or commercial name of the intellectual property (IP) if the phone controller is the part of a chipset W3 Apple
NFCNear Field Communication is short-range wireless radio data exchange technology based on radio-frequency identification (RFID). This field enumerates the supported NFC technologies.  Yes

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.  No

Satellite NavigationSatellite Navigation: 
Supported GPS protocol(s)Possible protocols: NMEA 0183, SIRF, etc.  GPS (NMEA 0183)National Marine Electronics Association Standard 0183
Satellite Antenna:   Internal antenna
Complementary Satellite ServicesPossible extras: S-GPS, A-GPS, Geotagging, TMC, QuickGPS, QZSS, etc.  QZSSQuasi-Zenith Satellite System
Supported GLONASS protocol(s)GLONASS is a global satellite navigation system operated by Russia.  L1OFGLONASS L1OF FDMA signal centered at 1602 MHz, features a BPSK(0.5) modulation.
Supported Galileo service(s)Galileo is a global satellite navigation system operated by European Union and the European Space Agency.  E1Galileo E1 band centered at 1575.42 MHz and with a reference bandwidth of 24.552 MHz, uses the Composite Binary Offset Carrier (CBOC) modulation

Primary Camera SystemPrimary Camera SystemPrimary camera usually has better imaging capabilities than secondary camera if any
Camera Image SensorRefers to the semiconductor technology of image sensor (FSI CMOS, BSI CMOS, etc.)  No
FocusCD AF, PD AF, Laser AF, etc. No / Not supported means there is no adjustable optical system or no camera built-in at all  No
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.  No

Auxiliary Camera: 
Aux. Camera Image SensorAuxiliary camera image sensor technology in at least dual lens setup  No

Auxiliary Camera No. 2: 
Aux. 2 Camera Image SensorAuxiliary 2 camera image sensor technology in at least triple lens setup  No

Auxiliary Camera No. 3: 
Aux. 3 Camera Image SensorAuxiliary 3 camera image sensor technology in at least quad lens setup  No

Auxiliary Camera No. 4: 
Aux. 4 Camera Image SensorAuxiliary 4 camera image sensor technology in at least penta lens setup  No
Aux. 4 Camera FocusFocusing method of the fourth auxiliary camera  No

Secondary Camera SystemSecondary Camera SystemWidely used for video telephony or taking selfies
Secondary Camera SensorRefers to the semiconductor technology of sec camera image sensor (FSI CMOS, BSI CMOS, etc.)  No

Secondary Auxiliary Camera: 
Sec. Aux. Cam. Image SensorImage sensor technology of sec. auxiliary camera in at least dual lens secondary camera setup  No

Secondary Auxiliary Camera No. 2: 
Sec. Aux. 2 Cam. Image SensorImage sensor technology of sec. auxiliary 2 camera in at least triple lens secondary camera setup  No

Built-in SensorsBuilt-in Sensors: 
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  Altimeter , Barometer , Heart rate sensor , Light intensity sensorBy measuring the intensity of the ambient light device may control the brightness level of the screen

Ingress ProtectionIngress 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  7 Protected against the effect of immersion up to 1m of depth
Immersion into liquids (depth limit)Device is protected against immersion into this depth of liquid (usually water) at most. (IP rating) 5000 cm

Power SupplyPower Supply: 
BatteryBattery technology  Lithium-ion polymer (LiPo)
built-inPossible options: removable, built-in
1-cellIn case of high power consumption it is more efficient to connect more than 1 cells in the battery in series to minimize current thus loss.
Nominal Cell Voltage (1st cell)Idle voltage of the charged battery cell 3.81 Volts
Nominal Cell Capacity (1st cell)The nominal mAh capacity of the first battery cell 226 mAh cell
Nominal Battery VoltageIf there are more than 1 cells in the battery in series connection the nominal resulting battery voltage is the sum of voltage of cells 3.81 Volts
Nominal Battery CapacityIf there are more than 1 cells in the battery in parellel connection the nominal resulting battery capacity is the sum of capacity of cells 226 mAh battery
Nominal Battery EnergyThe product of battery capacity and nominal voltage determines the maximal nominal stored energy in the battery 0.86 Wh
Estimated Battery LifeEstimated always-on battery life of the device in case of common usage conditions 18.0 hours
Estimated Average CurrentEstimated average current is derived from battery life and battery capacity. This current is consumed while the device is used in the following state: screen backlight on (mid-level), phone (if any) on, no phone calls, no multimedia, continuous user input 13 mA
Wireless ChargingWireless charging (like Qi, PMA) is a kind of near-field electromagnatic power transmission methods. Inductive coupling is created between a mobile device (secondary coil) and a special charger (primary coil), usually docking station or charging pad.  Yes

Geographical AttributesGeographical Attributes: 
Market CountriesCountries where the device was officially sold. Overlap is possible.  Canada , Mexico , Puerto Rico , USA
Market RegionsRegions where the device was officially sold. Overlap is possible.  Central America , North America (NA)
Mobile OperatorList of mobile operators (carriers) or distributors which sold the device in their own network AT&T Mexico MobilityAT&T Mexico Mobility
AT&T MobilityAT&T Mobility
Bell MobilityBell Mobility
Cellular South / C SpireCellular South / C Spire
Rogers WirelessRogers Wireless
Sprint Nextel CorporationSprint Nextel Corporation
T-Mobile USAT-Mobile USA
TELCELTELCEL
Telus MobilityTelus Mobility
United States Cellular CorporationUnited States Cellular Corporation
Verizon WirelessVerizon Wireless

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  Final
AddedThe exact time of the datasheet addition 2018-09-18 21:41
 

Apple Watch Series 4 40mm TD-LTE NA A1975 (Apple Watch 4,3) Detailed Tech Specs

Apple Watch Series 4 40mm TD-LTE NA A1975 (Apple Watch 4,3) Detailed Tech Specs
Platform: apple Supported Cellular Data Links: umts Supported Cellular Data Links: hspa Supported Cellular Data Links: lte Complementary Phone Services: phone Complementary Phone Services: vibration Bluetooth Wireless LAN NFC Supported GPS protocol(s) Supported GLONASS protocol(s) Number of effective pixels: 0.0 MP camera Aux. Camera Number of Pixels : 0.0 MP aux. cam Secondary Camera Number of pixels: 0.0 MP sec. cam Built-in accelerometer Built-in gyroscope Additional sensors: barometer Additional sensors: heartrate Protection from liquids: waterproof Wireless Charging

Predecessor Model

Apple Watch Series 3 38mm TD-LTE NA A1860 (Apple Watch 3,1)
Apple Watch Series 3 38mm TD-LTE NA A1860 (Apple Watch 3,1)
N111sAP, 33.3x38.6x11.4 mm, Apple WatchOS 4, Apple S3 TMHU50 T8004, 768 MiB RAM, 16 GB ROM, 1.3 inch, 272x340, 279 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

See also

Apple Watch Series 4 Hermes 40mm TD-LTE NA A1975 (Apple Watch 4,3)
Apple Watch Series 4 Hermes 40mm TD-LTE NA A1975 (Apple Watch 4,3)
N141sAP, 34x40x10.7 mm, Apple WatchOS 5, Apple S4 TMJR65 T8006, 768 MiB RAM, 16 GB ROM, 1.5 inch, 324x394, 226 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple Watch Series 4 Nike+ 40mm TD-LTE NA A1975 (Apple Watch 4,3)
Apple Watch Series 4 Nike+ 40mm TD-LTE NA A1975 (Apple Watch 4,3)
N141sAP, 34x40x10.7 mm, Apple WatchOS 5, Apple S4 TMJR65 T8006, 768 MiB RAM, 16 GB ROM, 1.5 inch, 324x394, 226 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple Watch Series 4 40mm TD-LTE Global A2007 (Apple Watch 4,3)
Apple Watch Series 4 40mm TD-LTE Global A2007 (Apple Watch 4,3)
N141sAP, 34x40x10.7 mm, Apple WatchOS 5, Apple S4 TMJR65 T8006, 768 MiB RAM, 16 GB ROM, 1.5 inch, 324x394, 226 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone 17 5G UW A3258 Dual SIM TD-LTE US 512GB (Apple iPhone 18,3)
Apple iPhone 17 5G UW A3258 Dual SIM TD-LTE US 512GB (Apple iPhone 18,3)
V57AP, 71.5x149.6x7.95 mm, Apple iOS 26, Apple A19 APL1V13 T8150a (Tilos), 8 GiB RAM, 512 GB ROM, 6.3 inch, 1206x2622, 30.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3692 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone 17 5G UW A3258 Dual SIM TD-LTE US 256GB (Apple iPhone 18,3)
Apple iPhone 17 5G UW A3258 Dual SIM TD-LTE US 256GB (Apple iPhone 18,3)
V57AP, 71.5x149.6x7.95 mm, Apple iOS 26, Apple A19 APL1V13 T8150a (Tilos), 8 GiB RAM, 256 GB ROM, 6.3 inch, 1206x2622, 30.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3692 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone 17 5G A3519 Dual SIM TD-LTE MEA JP MX CA 512GB (Apple iPhone 18,3)
Apple iPhone 17 5G A3519 Dual SIM TD-LTE MEA JP MX CA 512GB (Apple iPhone 18,3)
V57AP, 71.5x149.6x7.95 mm, Apple iOS 26, Apple A19 APL1V13 T8150a (Tilos), 8 GiB RAM, 512 GB ROM, 6.3 inch, 1206x2622, 30.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3692 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone 17 5G A3519 Dual SIM TD-LTE MEA JP MX CA 256GB (Apple iPhone 18,3)
Apple iPhone 17 5G A3519 Dual SIM TD-LTE MEA JP MX CA 256GB (Apple iPhone 18,3)
V57AP, 71.5x149.6x7.95 mm, Apple iOS 26, Apple A19 APL1V13 T8150a (Tilos), 8 GiB RAM, 256 GB ROM, 6.3 inch, 1206x2622, 30.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3692 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone 17 5G A3521 Dual SIM TD-LTE CN 512GB (Apple iPhone 18,3)
Apple iPhone 17 5G A3521 Dual SIM TD-LTE CN 512GB (Apple iPhone 18,3)
V57AP, 71.5x149.6x7.95 mm, Apple iOS 26, Apple A19 APL1V13 T8150a (Tilos), 8 GiB RAM, 512 GB ROM, 6.3 inch, 1206x2622, 30.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3692 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone 17 5G A3521 Dual SIM TD-LTE CN 256GB (Apple iPhone 18,3)
Apple iPhone 17 5G A3521 Dual SIM TD-LTE CN 256GB (Apple iPhone 18,3)
V57AP, 71.5x149.6x7.95 mm, Apple iOS 26, Apple A19 APL1V13 T8150a (Tilos), 8 GiB RAM, 256 GB ROM, 6.3 inch, 1206x2622, 30.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3692 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone 17 5G A3520 Global Dual SIM TD-LTE 512GB (Apple iPhone 18,3)
Apple iPhone 17 5G A3520 Global Dual SIM TD-LTE 512GB (Apple iPhone 18,3)
V57AP, 71.5x149.6x7.95 mm, Apple iOS 26, Apple A19 APL1V13 T8150a (Tilos), 8 GiB RAM, 256 GB ROM, 6.3 inch, 1206x2622, 30.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3692 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone 17 5G A3520 Global Dual SIM TD-LTE 256GB (Apple iPhone 18,3)
Apple iPhone 17 5G A3520 Global Dual SIM TD-LTE 256GB (Apple iPhone 18,3)
V57AP, 71.5x149.6x7.95 mm, Apple iOS 26, Apple A19 APL1V13 T8150a (Tilos), 8 GiB RAM, 256 GB ROM, 6.3 inch, 1206x2622, 30.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3692 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone Air 1st gen 5G A3260 Dual SIM TD-LTE MEA NA 1TB (Apple iPhone 18,4)
Apple iPhone Air 1st gen 5G A3260 Dual SIM TD-LTE MEA NA 1TB (Apple iPhone 18,4)
D23AP, 74.7x156.2x11.3 mm, Apple iOS 26, Apple A19 Pro L APL1V12 T8150 (Thera), 12 GiB RAM, 1000 GB ROM, 6.5 inch, 1260x2736, 18.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3149 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone Air 1st gen 5G A3260 Dual SIM TD-LTE MEA NA 512GB (Apple iPhone 18,4)
Apple iPhone Air 1st gen 5G A3260 Dual SIM TD-LTE MEA NA 512GB (Apple iPhone 18,4)
D23AP, 74.7x156.2x11.3 mm, Apple iOS 26, Apple A19 Pro L APL1V12 T8150 (Thera), 12 GiB RAM, 512 GB ROM, 6.5 inch, 1260x2736, 18.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3149 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone Air 1st gen 5G A3260 Dual SIM TD-LTE MEA NA 256GB (Apple iPhone 18,4)
Apple iPhone Air 1st gen 5G A3260 Dual SIM TD-LTE MEA NA 256GB (Apple iPhone 18,4)
D23AP, 74.7x156.2x11.3 mm, Apple iOS 26, Apple A19 Pro L APL1V12 T8150 (Thera), 12 GiB RAM, 256 GB ROM, 6.5 inch, 1260x2736, 18.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3149 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone Air 1st gen 5G A3518 Dual SIM TD-LTE CN 1TB (Apple iPhone 18,4)
Apple iPhone Air 1st gen 5G A3518 Dual SIM TD-LTE CN 1TB (Apple iPhone 18,4)
D23AP, 74.7x156.2x11.3 mm, Apple iOS 26, Apple A19 Pro L APL1V12 T8150 (Thera), 12 GiB RAM, 1000 GB ROM, 6.5 inch, 1260x2736, 18.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3149 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone Air 1st gen 5G A3518 Dual SIM TD-LTE CN 512GB (Apple iPhone 18,4)
Apple iPhone Air 1st gen 5G A3518 Dual SIM TD-LTE CN 512GB (Apple iPhone 18,4)
D23AP, 74.7x156.2x11.3 mm, Apple iOS 26, Apple A19 Pro L APL1V12 T8150 (Thera), 12 GiB RAM, 512 GB ROM, 6.5 inch, 1260x2736, 18.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3149 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone Air 1st gen 5G A3518 Dual SIM TD-LTE CN 256GB (Apple iPhone 18,4)
Apple iPhone Air 1st gen 5G A3518 Dual SIM TD-LTE CN 256GB (Apple iPhone 18,4)
D23AP, 74.7x156.2x11.3 mm, Apple iOS 26, Apple A19 Pro L APL1V12 T8150 (Thera), 12 GiB RAM, 256 GB ROM, 6.5 inch, 1260x2736, 18.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3149 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone Air 1st gen 5G A3516 Dual SIM TD-LTE JP 1TB (Apple iPhone 18,4)
Apple iPhone Air 1st gen 5G A3516 Dual SIM TD-LTE JP 1TB (Apple iPhone 18,4)
D23AP, 74.7x156.2x11.3 mm, Apple iOS 26, Apple A19 Pro L APL1V12 T8150 (Thera), 12 GiB RAM, 1000 GB ROM, 6.5 inch, 1260x2736, 18.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3149 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone Air 1st gen 5G A3516 Dual SIM TD-LTE JP 512GB (Apple iPhone 18,4)
Apple iPhone Air 1st gen 5G A3516 Dual SIM TD-LTE JP 512GB (Apple iPhone 18,4)
D23AP, 74.7x156.2x11.3 mm, Apple iOS 26, Apple A19 Pro L APL1V12 T8150 (Thera), 12 GiB RAM, 512 GB ROM, 6.5 inch, 1260x2736, 18.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3149 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

Apple iPhone Air 1st gen 5G A3516 Dual SIM TD-LTE JP 256GB (Apple iPhone 18,4)
Apple iPhone Air 1st gen 5G A3516 Dual SIM TD-LTE JP 256GB (Apple iPhone 18,4)
D23AP, 74.7x156.2x11.3 mm, Apple iOS 26, Apple A19 Pro L APL1V12 T8150 (Thera), 12 GiB RAM, 256 GB ROM, 6.5 inch, 1260x2736, 18.0 W charging, 48.0 MP camera, 18.0 MP sec. cam, 3149 mAh battery | All detailsAll details | Add this item to the comparisonAdd to compare

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You are here: Device Specs \ Apple Watch Series 4 40mm TD-LTE NA A1975 (Apple Watch 4,3) Detailed Tech Specs
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