🔑 Key Specs — Samsung Galaxy J7 Duo
- OS: Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)
- Chipset: Exynos 7885 (14 nm)
- Display: 5.5 inches, 83.4 cm2 (~70.4% screen-to-body ratio)
- Display Type: Li-Ion 3000 mAh, removable
- Storage: 32GB 3GB RAM, 32GB 4GB RAM
- Main Camera: 8 MP, f/1.9
- Battery: Li-Ion 3000 mAh, removable
- Weight: 174 g (6.14 oz)
- NFC: No
- Colors: Black, Gold, Rose Gold, White, Blue
- Price: About 240 EUR
✅ Pros
- Li-Ion 3000 mAh, removable battery
- 3.5mm headphone jack
- Dedicated microSD card slot
❌ Cons
- HD resolution, not Full HD
- No 5G support
Samsung Galaxy J7 Duo – Full Specifications and Complete Review
📅 Released 2018, April
⚡ Quick Overview
💻 Operating System
Android 8.0, up to Android 9.0
📏 Dimensions & Weight
174g, 8.2mm thickness
💾 Memory & Storage
32GB storage, microSDXC
🔗 Services Samsung Galaxy J7 Duo
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🔧
Problem Solutions
Hardware Fix
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📥
Download Firmware
Rom & Flash
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🔓
Network Unlock
Unlock & FRP
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⚙️
Root Files
Root Files
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📑 Review Contents
Network
| Technology | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 – International HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 – USA |
| 4G bands | 1, 3, 5, 7, 8, 20, 38, 40, 41 – International 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 38, 40, 41, 66 – USA |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
Launch
| Announced | 2018, April. Released 2018, April |
| Status | Discontinued |
Body
| Dimensions | 153.5 x 77.2 x 8.2 mm (6.04 x 3.04 x 0.32 in) |
| Weight | 174 g (6.14 oz) |
| SIM | Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) |
Display
| Type | Super AMOLED |
| Size | 5.5 inches, 83.4 cm2 (~70.4% screen-to-body ratio) |
| Resolution | 720 x 1280 pixels, 16:9 ratio (~267 ppi density) |
Platform
| OS | Android 8.0 (Oreo), upgradable to Android 9.0 (Pie) |
| Chipset | Exynos 7885 (14 nm) |
| CPU | Octa-core (2×2.2 GHz Cortex-A73 & 6×1.6 GHz Cortex-A53) |
| GPU | Mali-G71 |
Memory
| Card slot | microSDXC (dedicated slot) |
| Internal | 32GB 3GB RAM, 32GB 4GB RAM |
| Other | eMMC 5.1 |
Main Camera
| Dual | 13 MP, f/1.9, AF Auxiliary lens |
| Features | LED flash, panorama, HDR |
| Video | 1080p@30fps |
Selfie camera
| Single | 8 MP, f/1.9 |
| Features | LED flash |
| Video | 1080p@30fps |
Sound
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
Comms
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | 4.2, A2DP, LE |
| Positioning | GPS, GLONASS, BDS |
| NFC | No |
| Radio | FM radio |
| USB | microUSB 2.0 |
Features
| Sensors | Fingerprint (front-mounted), accelerometer, proximity |
| Other | ANT+ |
Battery
| Type | Li-Ion 3000 mAh, removable |
Misc
| Colors | Black, Gold, Rose Gold, White, Blue |
| Models | SM-J720F, SM-J720F/DS, SM-J720M, SM-J720M/DS |
| SAR EU | 0.54 W/kg (head) 1.40 W/kg (body) |
| Price | About 240 EUR |
❓ Frequently Asked Questions — Samsung Galaxy J7 Duo
Q1: What is the operating system of Samsung Galaxy J7 Duo?
Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)
Q2: What is the battery capacity of Samsung Galaxy J7 Duo?
Li-Ion 3000 mAh, removable
Q3: What are the camera specs of Samsung Galaxy J7 Duo?
8 MP, f/1.9
Q4: What is the storage capacity of Samsung Galaxy J7 Duo?
32GB 3GB RAM, 32GB 4GB RAM
Q5: Does Samsung Galaxy J7 Duo support NFC?
No
Q6: What are the dimensions and weight of Samsung Galaxy J7 Duo?
153.5 x 77.2 x 8.2 mm (6.04 x 3.04 x 0.32 in) – Weight: 174 g (6.14 oz)
Q7: What chipset does Samsung Galaxy J7 Duo use?
Exynos 7885 (14 nm)
Q8: What is the price of Samsung Galaxy J7 Duo?
About 240 EUR
