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Samsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB SPECS

Full specifications of the Samsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB phone, detailed technical information, specs, features, price, review. Everything about phone.

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Samsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB

The Samsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB is a good Android phone with 2.2Ghz Octa-Core processor that allows run games and heavy applications.

An advantage of the Samsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB is the possibility of using two mobile carriers, a Dual-SIM device with two SIM card slots.

Good connectivity of this device includes Bluetooth 5.0 version A2DP/LE, Wi-Fi 802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz), but it lacks NFC connection.

Including the battery, the Samsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB phone has 174 grams and it's a very thin device, only 8.2 mm.

Model and physical featuresSamsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB
BrandSamsung
ModelGalaxy J7 Duo SM-J720F/DS 3GB/32GB
Also known asGalaxy J7 Duo 3GB RAM + 32GB Dual-Sim, Samsung J720
Country or region where it's soldEuropeSingaporeThailandVarious (International)Vietnam
Release dateApril, 2018
Depth8.2 millimeters (0.32 inches)
Size (width x height)77.2 x 153.5 millimeters (3.04 x 6.04 in)
Weight174 grams (6.09 ounces)
Qwerty physical keyboardNot supported
AntennaInternal antenna
Build, materialsPlastic body, front glass
Protection against water and othersNot supported
Operating system (OS)Samsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB
Operating systemAndroid 8.0 Oreo
Firmware updatefeature not registered
HardwareSamsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB
Architecture - Chipset64bit - Samsung Exynos 7 Octa 7885 (14nm)
CPU processorOcta-Core, 2 processors:
2.2Ghz Dual-Core ARM Cortex-A73
1.6Ghz Hexa-Core ARM Cortex-A53
GPU graphical controllerARM Mali-G71 MP2
RAM memory3GB LPDDR4
Internal storage32GB (21GB user available)
External storageUntil 256GB microSD, microSDHC, microSDXC
(dedicated slot)
DisplaySamsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB
Display typeSuper AMOLED
Screen size5.5" inches
Screen-to-body ratio~70.4% (screen-to-body ratio)
TouchscreenCapacitive Multitouch
Display resolution720x1280 pixels
Pixel density (dot pitch)267 PPI
Colors16 million
Scratch-resistant glassGorilla Glass
Mobile networks and dataSamsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB
Dual-SIMDual SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots Dual-SIM
micro-SIM (3FF)
GSM Mhz bandQuad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100
Primary 4G networkLTE Cat (Bands 1,3,5,7,8,20)
TD-LTE (Bands 38,40,41)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkGSM 850/900/1800/1900
Secondary 3G networkNot supported
Secondary 4G networkNot supported
Secondary data networkGPRS, EDGE
Maximum download/upload150/50 Mbps
Messaging and callingSamsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB
MessagingSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupported
Video callingSupported
Call controlVoice dialing, Voice recorder
Primary camera / Back cameraSamsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB
Main camera(dual camera)
13 megapixels
5MP depth sensor (f/1.9)
Main camera resolution4128x3096 pixels
Video recording (primary)Full HD (1920x1080 pixels) 30 fps
FlashLED flash on both cameras
Focal aperturef/1.9 (aperture)
Focal lengthfeature not registered
Sensor sizefeature not registered
Pixel sizefeature not registered
AutofocusAutofocus
Touch focusSupported
Image stabilizationEIS: Digital stabilization
ZoomOnly digital zoom
Face/smile detectionFace detection, Smile detection
BSI sensorNot supported
HDRHDR photo only main camera
Front camera / Secondary cameraSamsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB
Front camera8 megapixels
Front camera resolution3264x2448 pixels
Video recording (secondary)Full HD (1920x1080 pixels)
Front flashLED
Focal aperturef/1.9 (aperture)
Focal lengthfeature not registered
Sensor sizefeature not registered
Pixel sizefeature not registered
MultimediaSamsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB
RadioFM
TVNot supported
Video formatsMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLAC
Connectivity and interfacesSamsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB
USBMicroUSB 2.0
TV outputNot supported
Audio output3.5mm jack
Bluetooth5.0 version A2DP/LE
WiFi802.11 a/b/g/n/ac + MIMO (2.4Ghz/5Ghz)
DLNANot supported
NFCNot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDou
Infrared portNot supported
Other functionsSamsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB
Active noise cancellationNot supported
Vibrating alertSupported
RingtonesPolyphonic and customized
Web browserHTML, XHTML, HTML5
Java / Flash playerNot supported
SensorsAccelerometer
Proximity
Face recognition (unlock)
Fingerprint (front-mounted)
Other features- Colors: Black, Gold, Rose Gold, White
- Samsung Pay
- ANT+ support
- WiFi direct, hotspot
Power supply and autonomySamsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB
Battery technologyLi-Ion (Removable)
Battery capacity3000 mAh
Battery model / charger (watts)feature not registered
Talk time1200 minutes | 20 hours | 0.8 day
Standbyfeature not registered
Specific absorption rate (radiation)Samsung Galaxy J7 Duo SM-J720F/DS 3GB/32GB
SAR USA, Mexico, Colombiafeature not registered
SAR European Union, UK0.543 W/Kg (head) | 1.397 W/Kg (body)

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