| Hardware and OS | BLU S1 | |
| Operating system | Android 7.0 (Nougat) | |
| Processor | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) | |
| Chipset | Mediatek MT6750 (28 nm) | |
| GPU | Mali-T860MP2 | |
| Internal memory | 16 GB, 2 GB RAM | |
| External memory | microSD, up to 64 GB | |
| Display | BLU S1 | other phones |
| Type | IPS LCD | |
| Size | 5.2" inc | |
| Resolution | 720 x 1280 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 69.5% | |
| Display area | 74.5 cm2 | |
| Display aspect ratio | 16:9 (height:width) | |
| Pixel Density | 282 PPI | |
| Colors | 16M | |
| Connectivity | BLU S1 | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | |
| 4G Network | LTE band 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700), 25(1900), 26(850), 41(2500) | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Nano-SIM | |
| Bluetooth | 4.0, A2DP | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA 42.2/11.5 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | |
| USB | microUSB 2.0 | |
| Camera | BLU S1 | other phones |
| Main camera | 13 MP, Single | |
| Specs | 13 MP | |
| Features | LED flash | |
| Video | 1080p@30fps | |
| Selfie camera | 5 MP, Single | |
| Multimedia | BLU S1 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | BLU S1 | other phones |
| Colors | Black, Gold | |
| Dimensions | 147.3 x 72.8 x 8.4 mm | |
| Weight | 137 g | |
| Battery | BLU S1 | other phones |
| Battery capacity | 2800 mAh, Non-removable Li-Po | |
| Battery life | Stand by time- Up to 600 h (2G) / Up to 550 h (3G)
Talking time- Up to 24 h (2G) / Up to 16 h (3G)
| |
| Other | BLU S1 | other phones |
| Release date | 2017, September | |
| Sensors | Fingerprint (front-mounted), accelerometer, proximity, compass | |
