| Hardware and OS | Gretel S55 | |
| Operating system | Android 7.0 Nougat | |
| Processor | Quad-Core (4x Cortex A7 1.5 GHz) | |
| Chipset | Mediatek MT6580A (28 nm) | |
| Internal memory | 1GB 16GB, 1GB · 16GB | |
| GPU | ARM Mali-400 MP1 | |
| Display | Gretel S55 | other phones |
| Type | LCD IPS | |
| Size | 5.5" inc | |
| Resolution | 720 x 1280 px | |
| Display colors | 16M | |
| Screen area | cm2 | |
| Screen format | 16:9 (height:width) | |
| Screen to body ratio | 70% | |
| PPI /points per inch/ | 267 PPI | |
| Screen protection | Scratch resistant | |
| Touchscreen | capacitive touchscreen | |
| Connectivity | Gretel S55 | other phones |
| Network | 2G / 3G / | |
| NFC | No | |
| Edge | Yes | |
| Bluetooth | Bluetooth 4.0, A2DP | |
| SIM card | Dual SIM, dual stand-by (Micro SIM Micro SIM) | |
| GPRS | Yes | |
| GPS | GPS, A-GPS | |
| Wi-Fi | 802.11b, 802.11g, 802.11n,Wi-Fi Hotspot | |
| USB | Yes | |
| Camera | Gretel S55 | other phones |
| Rear camera, main | 8 MP, Single | |
| Camera specs | 8 MP, ?/ 2.2, (wide), 1.12 µm | |
| Functions | LED flash | |
| Video | 1080p video | |
| Front camera, selfie | 4 MP, Single | |
| Specifications | 4,9 MP, ?/ | |
| Multimedia | Gretel S55 | other phones |
| Headphone jack | Yes | |
| Radio | Yes | |
| Design | Gretel S55 | other phones |
| Dimensions (HxWxD) | 153.3 x77.2 x 8.7 mm | 6.04 x 3.04 x 0.34 in | |
| Weight | 174 g | 6.14 oz | |
| Colors | Black, Blue, Gold, Red | |
| Body build | Plastic | |
| Battery | Gretel S55 | other phones |
| Battery | 2600 mAh, Li-Ion, Removable | |
| Other features | Gretel S55 | other phones |
| Sensors | Fingerprint (rear-mounted), Proximity, Accelerometer , Infrared port | |
