Samsung Galaxy J7 Duo
$0
Overview
Samsung Galaxy J7 Duo is a budget Android smartphone released in 2010 with a 5.5-inch TFT, Exynos 7885 chipset, 13 main camera, and 3000 mAh battery.
The device runs One UI with features like Galaxy AI and Samsung DeX. Priced at $0, it targets users seeking budget performance.
Specifications of Samsung Galaxy J7 Duo
The display of Samsung Galaxy J7 Duo measures 5.5 inches with TFT technology. Peak brightness reaches 400 nits for excellent outdoor visibility. The screen renders at 720x1280 pixels resolution.
The camera system of Samsung Galaxy J7 Duo features 1 rear cameras: 13 main. Video recording supports up to 1080p.
The battery of Samsung Galaxy J7 Duo has 3000mAh capacity with 15 wired charging. A full charge takes approximately 180 min minutes.
The performance of Samsung Galaxy J7 Duo is powered by the Exynos 7885 chipset with Mali-G71 GPU.
The memory of Samsung Galaxy J7 Duo offers 4GB RAM with 32GB storage options. RAM uses LPDDR4 technology. Storage is 32GB 3GB RAM, 32GB 4GB RAM.
The connectivity of Samsung Galaxy J7 Duo includes Wi-Fi No, and Bluetooth 4.2.
The build of Samsung Galaxy J7 Duo weighs 174.0g with Plastic frame and Glossy back. Dimensions measure 115 x 50 x 13 mm.
The software of Samsung Galaxy J7 Duo runs Android 8.0 (Oreo), upgradable to Android 9.0 (Pie) with One UI. Software support extends 2 years through 2028.
Compare Samsung Galaxy J7 Duo
Frequently Asked Questions about Samsung Galaxy J7 Duo
Samsung Galaxy J7 Duo has a 13 camera suitable for casual photography. For professional photography, consider phones with higher-resolution sensors.
Samsung Galaxy J7 Duo with Exynos 7885 can handle casual gaming. For intensive gaming, consider phones with flagship chipsets.
Samsung Galaxy J7 Duo receives 2 years of updates through 2028. Consider this when planning long-term device usage.
Samsung Galaxy J7 Duo has a 3000mAh battery. Battery life varies based on usage patterns.
Samsung Galaxy J7 Duo at $0 is a budget device. It's worth buying if you prioritize affordability over premium features.
Samsung Galaxy J7 Duo supports 15 wired charging with full charge in approximately 180 min minutes.
Samsung Galaxy J7 Duo is available in 32GB storage options. Storage is not expandable, so choose your capacity based on your needs.
Samsung Galaxy J7 Duo has a 5.5-inch TFT with 60Hz refresh rate and 400 nits peak brightness. HDR support includes HDR10.
Samsung Galaxy J7 Duo in Category Rankings
See how Samsung Galaxy J7 Duo ranks in these categories:
Verdict
The Samsung Galaxy J7 Duo delivers practical value for users prioritizing affordability over premium features. Pick this phone for essential smartphone functionality, if you prioritize affordability while still needing core features.
Key Specifications
Display
5.5"
Main Camera
13
Chipset
Exynos 7885
Full Specifications
Network
| Technology | GSM |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 - International |
| 4G LTE Bands | 1, 3, 5, 7, 8, 20, 38, 40, 41 - International |
| 5G Sub-6 Bands | N/A |
| 5G mmWave Bands | N/A |
| Speed | N/A |
| Carrier Aggregation | |
| SIM | Micro-SIM |
| Dual SIM Mode | Dual SIM |
| eSIM Support | |
| VoLTE Support | N/A |
| VoWiFi | N/A |
| NR CA Support | N/A |
Launch
| Announced | 2010 |
| Status | Discontinued |
| Availability | N/A |
| Model Variants | N/A |
| Launch Price | N/A |
Body & Design
| Dimensions (mm) | 115 x 50 x 13 mm |
| Weight (g) | 174.0 |
| Build Materials | Plastic |
| Frame | Plastic |
| Back Finish | Glossy |
| Colors | ["Black"] |
| IP Rating | N/A |
| Rugged Certifications | N/A |
| Ingress Gaskets | N/A |
| Form Factor | Bar |
| Hinge Type | N/A |
| Folded Dimensions | N/A |
| Thermal Solution | Passive |
| Notification/Alert | |
| Haptics | Basic |
Display
| Panel Type | TFT |
| Size (inches) | 5.5 |
| Resolution (px) | 720x1280 pixels |
| Aspect Ratio | 3:4 |
| Pixel Density (ppi) | 167 |
| Screen-to-body Ratio (%) | 70.4 |
| Refresh Rate (Hz) | 60 |
| Adaptive Refresh Rate | |
| Touch Sampling Rate (Hz) | 120 |
| Peak Brightness (nits) | 400 |
| HDR Standards | HDR10 |
| Color Gamut | sRGB |
| Color Depth | 16 |
| PWM Dimming (Hz) | 250 |
| Glass Protection | N/A |
| Oleophobic Coating | N/A |
| Curvature | Flat |
| Always-on Display | |
| Display Driver IC | N/A |
| Cover Display |
Platform (SoC)
| OS at Launch | Android 8.0 (Oreo), upgradable to Android 9.0 (Pie) |
| Update Policy | 2 years |
| Chipset | Exynos 7885 |
| CPU | Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53) |
| GPU | Mali-G71 |
| NPU/AI TOPs | N/A |
| ISP Features | Basic |
| Modem | exynos-7885-modem |
| Wi-Fi/Bluetooth Chip | N/A |
| Throttling Behavior | N/A |
| Geekbench Single-Core | N/A |
| Geekbench Multi-Core | N/A |
| AnTuTu Score | N/A |
| 3DMark Scores | N/A |
Memory & Storage
| RAM | 4GB |
| RAM Type | LPDDR4 |
| Storage | 32GB |
| Storage Type | 32GB 3GB RAM, 32GB 4GB RAM |
| Storage Speed | emmc-5.1 |
| Expandable Storage | microSD (dedicated slot) |
| Slot Type | microSD |
| USB OTG | |
| Filesystem Encryption | full-disk |
Main Camera System
| Rear Cameras | 1 |
| Main Sensor | 13 |
| Main Sensor Size | 1/3.1 |
| Main Sensor Model | S5K3L2 |
| Main Lens | f/1.7, 26mm |
| OIS | |
| Autofocus | phase-detection |
| Pixel Binning | |
| Ultrawide | N/A |
| Telephoto | N/A |
| Macro | N/A |
| Depth/ToF/LiDAR | |
| Flicker/Color Sensors | N/A |
| Flash | LED |
| Video Resolution | 1080p |
| HDR/Dolby Vision Video | |
| Video Codecs | h264,h265 |
| Slow Motion | 720p@120fps |
| Video Stabilization | EIS |
| Night Mode Features | basic |
| RAW/Pro Controls | N/A |
Selfie Camera
| Resolution | N/A |
| Sensor Size | 1/4.9 |
| Aperture | f/1.9 |
| AF/OIS | N/A |
| Secondary Front Cam | |
| Front Flash | |
| Video | 1080p@30fps |
| HDR/Dolby Vision | N/A |
| Face Unlock | 2D |
Audio
| Loudspeakers | Yes, with stereo speakers |
| 3.5mm Jack | |
| Hi-Res Audio | |
| Spatial Audio / Dolby Atmos | |
| Microphones | 2 |
| Bluetooth Codecs | aac,aptx |
| DAC/Amp | N/A |
Connectivity
| Wi-Fi | |
| Wi-Fi Features | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | 4.2 |
| NFC | |
| IR Blaster | |
| UWB | N/A |
| Positioning | GPS, GLONASS, BDS |
| Dual-Band GNSS | |
| FM Radio | |
| USB | Micro-USB |
| Display Out | |
| eSIM Capacity |
Sensors
| Fingerprint Sensor | |
| 3D Face ID | N/A |
| Accelerometer | |
| Gyroscope | |
| Magnetometer | |
| Proximity Sensor | |
| Ambient Light | N/A |
| Barometer | |
| Thermo/Hygrometer | N/A |
| UV Sensor | N/A |
| Hall Sensor | |
| Color Temp Sensor | |
| Health Sensors | N/A |
| Satellite SOS |
Battery & Charging
| Capacity (mAh) | 3000 |
| Type | Li-Ion |
| Removable | |
| Endurance Rating | N/A |
| Wired Charging | 15 |
| Wired Standard | adaptive-fast-charging |
| 0-50% Time (mins) | 120 min |
| Full Charge Time | 180 min |
| Wireless Charging | N/A |
| Wireless Standard | N/A |
| Reverse Wireless | N/A |
| Reverse Wired | |
| Charger in Box | 15w-charger |
| Battery Health Features | Basic |
Software
| OS at Launch | Android 8.0 (Oreo), upgradable to Android 9.0 (Pie) |
| Update Window | 2 years |
| UI Skin / Launcher | N/A |
| Feature Drops | N/A |
| App Cloning | N/A |
| Game Mode | Basic |
| Privacy Features | Basic |
| Accessibility | Standard |
| Satellite Messaging UI |
Miscellaneous
| In-Box Contents | charger,usb-cable,manual |
| Recycled Materials (%) | N/A |
| Repairability Score | N/A |
| Warranty | N/A |
Reviews & Ratings
186 ratings
Showing 3 of 186 reviews
Alex R.
2 weeks ago
Absolutely love the camera on this phone! The zoom is incredible and the photos are so crisp. Battery life is also a huge plus.
Ben C.
1 month ago
Great performance and beautiful display. My only complaint is that it feels a bit heavy, but you get used to it. Solid phone overall.
Chloe D.
3 months ago
The best phone I've ever owned. It's fast, the software is clean, and the build quality is top-notch. Highly recommend!