| Hardware and OS | ZTE Grand S3 | |
| Operating system | Android 4.4 (KitKat) | |
| Processor | Quad-core 2.5 GHz Krait 400 | |
| Chipset | Qualcomm MSM8974AC Snapdragon 801 (28 nm) | |
| GPU | Adreno 330 | |
| Internal memory | 16 GB, 3 GB RAM | |
| External memory | microSD, up to 64 GB (dedicated slot) | |
| Display | ZTE Grand S3 | other phones |
| Type | IPS LCD | |
| Size | 5.5" inc | |
| Resolution | 1080 x 1920 px | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 69.9% | |
| Display area | 83.4 cm2 | |
| Display aspect ratio | 16:9 (height:width) | |
| Pixel Density | 401 PPI | |
| Colors | 16M | |
| Connectivity | ZTE Grand S3 | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | |
| 4G Network | LTE band 1(2100), 3(1800), 41(2500) | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot | |
| Network | GSM / CDMA / HSPA / EVDO / LTE | |
| SIM card | Dual SIM (Nano-SIM, dual stand-by) | |
| Bluetooth | 4.0, A2DP | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS, GLONASS, BDS | |
| Speed | HSPA, LTE, EV-DO Rev.A 3.1 Mbps | |
| USB | microUSB 2.0 | |
| Camera | ZTE Grand S3 | other phones |
| Main camera | 16 MP, Single | |
| Specs | 16 MP, AF | |
| Features | Dual-LED flash, HDR, panorama | |
| Video | 2160p@30fps, 1080p@30fps | |
| Selfie camera | 8 MP, Single | |
| Multimedia | ZTE Grand S3 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | No | |
| Design | ZTE Grand S3 | other phones |
| Colors | Silver | |
| Dimensions | 155 x 77 x 9.8 mm | |
| Battery | ZTE Grand S3 | other phones |
| Battery capacity | 3100 mAh, Non-removable Li-Ion | |
| Other | ZTE Grand S3 | other phones |
| Release date | 2015, March | |
| Sensors | Accelerometer, gyro, proximity, compass | |