| Hardware and OS | Haier G51 | |
| Operating system | Android 7.0 (Nougat) | |
| Processor | Quad-core 1.25 GHz Cortex-A53 | |
| Chipset | Mediatek MT6737M (28 nm) | |
| GPU | Mali-T720MP1 | |
| Internal memory | 8 GB, 1 GB RAM | |
| External memory | microSD, up to 32 GB (dedicated slot) | |
| Display | Haier G51 | other phones |
| Type | IPS LCD | |
| Size | 5" inc | |
| Resolution | 480 x 854 px | |
| Protection | Scratch-resistant glass | |
| Touchscreen | capacitive touchscreen | |
| Screen-to-Body Ratio | 66.3% | |
| Display area | 68.9 cm2 | |
| Display aspect ratio | 16:9 (height:width) | |
| Pixel Density | 196 PPI | |
| Colors | 16M | |
| Connectivity | Haier G51 | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 900 / 2100 | |
| 4G Network | LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800) | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | |
| Network | GSM / HSPA / LTE | |
| SIM card | Dual SIM (Micro-SIM, dual stand-by) | |
| Bluetooth | 4.0, A2DP, LE | |
| Edge | Yes | |
| GPRS | Yes | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps | |
| USB | microUSB 2.0 | |
| Camera | Haier G51 | other phones |
| Main camera | 5 MP, Single | |
| Specs | 5 MP, AF, f/2.0 | |
| Features | Dual-LED dual-tone flash, HDR, panorama | |
| Video | 720p@30fps | |
| Selfie camera | 5 MP, Single | |
| Multimedia | Haier G51 | other phones |
| 3.5 mm Jack | Yes | |
| Radio | FM radio | |
| Design | Haier G51 | other phones |
| Colors | Black, Gold, White, Blue | |
| Dimensions | 142.6 x 72.9 x 9.1 mm | |
| Weight | 155 g | |
| Battery | Haier G51 | other phones |
| Battery capacity | 2000 mAh, Removable Li-Ion | |
| Other | Haier G51 | other phones |
| SAR | SAR EU - 0.71 W/kg (head), 1.11 W/kg (body) | |
| Release date | 2017 | |
| Sensors | Accelerometer, proximity | |
