| Local Name | Galaxy J3 (2018) |
| Additional Information | Versions: SM-J337U (USA unlocked); SM-J337A (AT&T); SM-J337V (Verizon); SM-J337T (T-Mobile); SM-J337P (Boost, Sprint, Virgin Mobile); SM-J337R (US Cellular); SM-J337W (Canada) Also known as: Galaxy J3 Star (T-Mobile); Galaxy Amp Prime 3 (Cricket); Galaxy J3 V 2018 (Verizon); Galaxy J3 Aura (US Cellular) |
| Technology | GSM / HSPA / LTE |
| 4G Bands | LTE band 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700), 14(700) - USA unlocked; AT&T | LTE band 1(2100), 2(1900), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700), 66(1700/2100) - Canada |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA unlocked; Canada | HSDPA 850 / 1900 / 2100 - AT&T |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA, LTE |
| Announced | 2018, June |
| Status | Available. Released 2018, June |
| Dimensions | 142.7 x 70.1 x 8.9 mm (5.62 x 2.76 x 0.35 in) |
| Weight | 152 g (5.36 oz) |
| Build | Glass front, plastic back, plastic frame |
| SIM | Nano-SIM |
| Display Type | IPS LCD capacitive touchscreen, 16M colors |
| Screen Size | 5.0 inches, 68.9 cm2 (~68.9% screen-to-body ratio) |
| Resolution | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) |
| OS | Android 8.0 (Oreo) |
| Chipset | Exynos 7570 Quad (14 nm) |
| CPU | Quad-core 1.4 GHz Cortex-A53 |
| GPU | Mali-T720 |
| Card Slot | microSDXC (dedicated slot) |
| Internal Memory | 16GB 2GB RAM | eMMC 5.0 |
| Camera Features | LED flash, panorama, HDR |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| Bluetooth | 4.2, A2DP, LE |
| GPS | Yes, with A-GPS |
| Radio | FM radio |
| USB | microUSB 2.0 |
| Sensors | Accelerometer, gyro, proximity, compass |
| Battery | Removable Li-Ion 2600 mAh battery |
| Colors | Black, Blue, Gold |