New Release
Updated: Mar 2026
Samsung Galaxy J7 Duo
$270
(Expected Price)
Reviewed by the MobGadgets Tech Team
We analyze specs, compare pricing, and aggregate real-world data to bring you unbiased mobile reviews. Learn how we test.
Should you buy the Samsung Galaxy J7 Duo?
Reasons to Buy
- Massive The Samsung Galaxy J7 Duo is equipped with a removable Li-ion 3000 mAh battery, which provides a decent battery life for everyday usage. The battery capacity is sufficient to last through a full day with moderate usage. However, heavy usage may require a recharge before the end of the day. The phone does not offer any fast charging or wireless charging options, which may be a downside for some users. In terms of battery optimization, the Galaxy J7 Duo offers basic power-saving features to extend the battery life. However, it lacks advanced battery management options found in higher-end devices. Overall, the battery performance of the Galaxy J7 Duo is average, providing enough power for regular usage but may require more frequent charging for heavy users. battery life
- Large 6.7" display for media
- Excellent value at $270
Reasons to Avoid
- May be bulky due to large battery
- Average camera performance in low light
Full Specifications
- Network Technology: GSM / HSPA / LTE
- 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 (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53) GPU: Mali-G71
- Memory Card slot - microSDXC (dedicated slot) Internal: 32GB 3GB RAM, 32GB 4GB RAM
- : eMMC 5.1
- Main Camera
Dual: 13 MP, f/1.9, AF
5 MP, f/1.9, (depth) 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
- : 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
With its Dimensity 6300 chipset and 6GB of RAM, it handles everyday tasks and moderate gaming efficiently, though extremely graphic-intensive games may require lower settings.
Yes, to complement its massive The Samsung Galaxy J7 Duo is equipped with a removable Li-ion 3000 mAh battery, which provides a decent battery life for everyday usage. The battery capacity is sufficient to last through a full day with moderate usage. However, heavy usage may require a recharge before the end of the day. The phone does not offer any fast charging or wireless charging options, which may be a downside for some users. In terms of battery optimization, the Galaxy J7 Duo offers basic power-saving features to extend the battery life. However, it lacks advanced battery management options found in higher-end devices. Overall, the battery performance of the Galaxy J7 Duo is average, providing enough power for regular usage but may require more frequent charging for heavy users. battery, it features standard fast charging capabilities to get you back up and running quickly.
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