Samsung Galaxy J7 Duo has Android 8.0 (Oreo), It offers an internal memory of 32 GB with 4 GB RAM, It presents a screen of HD resolution, And it comes with a battery capacity of 3000 mAh .

Samsung Galaxy J7 Duo specifications

General

6427 Announce date : April, 2018
6427 Release date : April, 2018
6427 Height × Width : 153.5 mm x 77.2 mm (6.04 x 3.04 in)
6427 Thickness : 8.2 mm (0.32 in)
6427 Weight : 174 g (6.14 oz)
6427 SIM : Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
6427 Colors : Black, Gold, Rose Gold, White

Samsung Galaxy J7 Duo

Display

6427 Display type : Super AMOLED capacitive touchscreen, 16M colors
6427 Screen size : 5.5 inches (~70.4% screen-to-body ratio)
6427 Resolution : 720 x 1280 pixels [ HD resolution ]
6427 Pixel density : (~267 ppi pixel density)
6427 Multitouch feature :   yes

Camera & Video

6427 Rear camera : Dual : 13 MP, f/1.9, AF + 5 MP, f/1.9, depth sensor
6427 Camera features : LED flash, panorama, HDR
6427 Video : 1080p@30fps [ Full HD video ]
6427 Front camera : 8 MP f/1.9, LED flash

Memory

6427 Expandable memory : Card slot microSD, up to 256 GB (dedicated slot)
6427 Internal Memory : 32 GB
6427 RAM : 4 GB RAM

Battery

6427 Battery type : Removable Li-Ion
6427 Battery capacity : 3000 mAh

Platform

6427 Operating System : Android 8.0 (Oreo)
6427 Chipset : Exynos 7885 Octa
6427 Processor : Octa-core (2×2.2 GHz Cortex-A73 & 6×1.6 GHz Cortex-A53)
6427 Graphics : Mali-G71

Network

6427 2G bands : GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2 (dual-SIM model
6427 2G bands : only)
6427 3G bands : HSDPA 850 / 900 / 1900 / 2100
6427 4G bands : LTE
6427 Speed : HSPA, LTE Cat4 150/50 Mbps
6427 GPRS :   yes
6427 EDGE :   yes

Sound

6427 Alert types : Vibration, MP3, WAV ringtones
6427 Loudspeaker :   yes
6427 3.5 mm jack :   yes

CONNECTIVITY

6427 WLAN : Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
6427 Bluetooth : 4.2, A2DP, LE
6427 GPS :   yes, with A-GPS, GLONASS, BDS
6427 USB :   yes
6427 Radio : FM radio

Features

6427 Sensors : Fingerprint (front-mounted), Accelerometer, Proximity
6427 Messaging : SMS (threaded view), MMS, Email, Push Mail, IM
6427 Browser HTML5 :   yes
6427 ANT+ support :   yes
6427 MP3/WAV/WMA/eAAC+/FLAC player :   yes
6427 MP4/WMV/H.264 player :   yes
6427 Document viewer :   yes
6427 Photo/video editor :   yes

Samsung Galaxy J7 Duo disadvantages

6427 NFC :   No
6427 Protection for the screen :   No
6427 Water & Dust resistant :   No
6427 Compass sensor :   No
6427 Active noise cancellation with dedicated mic :   No
6427 Fast battery charging :   No