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General characteristics Samsung Galaxy J4 SM-J400 (Samsung Galaxy J4 J400F/DS (Global DS); J400G/DS) declared by the manufacturer. The high-resolution pictures of the motherboard and electronic components.


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Technical review Samsung Galaxy J4 SM-J400

Main and additional circuit boards Samsung Galaxy J4 SM-J400

Side 1
Characteristics
Features
Type
Smartphone
OS
Android 8.0 (Oreo)
SIM type/size
Micro SIM
SIM
Dual SIM
Dimensions
151.7 x 77.2 x 8.1 mm (5.97 x 3.04 x 0.32 in)
Weight
175 g (6.17 oz)
Display
Display type
Super AMOLED
Size
5.5 inches
Resolution
720 x 1280 pixels, 16:9 ratio
PPI density
267
Protection
- - -
Multimedia
Main camera
13 MP
Main camera Video
1080p, 30fps
Front (selfie) camera
5 MP
Front (selfie) camera Video
- - -
Audio
MP3, AAC, WAV, WMA, FM radio
Headphone jack
Mini jack 3.5 mm
Network
Technology
GSM/3G/4G LTE
LTE
Yes
Interfaces
Wi-Fi 802.11, Bluetooth 4.2
Satellite navigation
GPS with A-GPS, GLONASS, BDS
Processor and Memory
System on a chip
Samsung Exynos 7570 Quad
CPU
Quad-core Cortex-A53 1.4 GHz
GPU
Mali-T720 MP2
Internal memory
32 GB
RAM
2 GB
Card slot
Micro SD, up to 256 GB (dedicated slot)
Battery
Battery capacity
Li-Ion 3000 mAh
Charging port
Micro USB 2.0
Other
Announced
2018, May


Based on our experience, we made a selection of the most common malfunctions of mobile devices and evaluated the difficulty of performing repairs for each of them. The final evaluation of the difficulty of the repair is the sum of all the parameters. This difficulty rating is also applicable for all models Samsung Galaxy J4 SM-J400 — Samsung Galaxy J4 J400F/DS (Global DS); J400G/DS released for markets in different countries.

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