| Hardware and OS | BLU Win JR | |
| Operating system | Microsoft Windows Phone 8.1 | |
| Processor | Quad-core 1.2 GHz Cortex-A7 | |
| Chipset | Qualcomm Snapdragon 200 (28 nm) | |
| Internal memory | 4GB ROM, 512MB RAM | |
| External memory | microSDXC | |
| GPU | Adreno 302 | |
| Display | BLU Win JR | other phones |
| Size | 4.0 inches, 45.5 cm2 | |
| Resolution | 480 x 800 pixels, 5:3 ratio | |
| Type | TFT LCD capacitive touchscreen, 16M colors | |
| Main Camera | BLU Win JR | other phones |
| Camera | 5 MP, AF | |
| Features | LED flash, HDR | |
| Video | 720p@30fps | |
| Selfie camera | BLU Win JR | other phones |
| Camera | VGA | |
| Connectivity | BLU Win JR | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 1900 - W410a | |
| Bluetooth | 3.0 | |
| CDMA | HSDPA 850 / 2100 - W410i | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA 42.2/5.76 Mbps | |
| Technology | GSM / HSPA | |
| USB | microUSB 2.0 | |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot | |
| Multimedia | BLU Win JR | other phones |
| 3.5 mm Jack | Yes | |
| Loudspeaker | Yes | |
| Radio | FM radio | |
| Battery | BLU Win JR | other phones |
| Capacity | Removable Li-Ion 1950 mAh battery | |
| Stand-by | Up to 700 h | |
| Talk time | Up to 19 h (2G) / Up to 15 h (3G) | |
| Design | BLU Win JR | other phones |
| Colors | Neon Orange, Neon Green, Neon Yellow, White | |
| Dimensions | 125 x 64 x 10.6 mm (4.92 x 2.52 x 0.42 in) | |
| Weight | 125 g (4.41 oz) | |
| SIM | Dual SIM (Mini-SIM) | |
| Features | BLU Win JR | other phones |
| Sensors | Accelerometer, proximity | |
