| Hardware and OS | BRAVIS A551 Atlas | |
| Operating system | Android 5.1 | |
| Processor | MediaTek MT6580, 1300 MHz | |
| Processor cores number | 4 | |
| RAM | 1 GB | |
| Internal Storage | 8 GB | |
| Memory Card Slot | yes, volume of up to 64 GB | |
| GPU | Mali-400 MP2 | |
| Display | BRAVIS A551 Atlas | other phones |
| Type | colored, sensor | |
| Size | 5.5" | |
| Resolution | 1280x720 | |
| Pixel Density | 267 | |
| Touchscreen | multitouch, capacitive | |
| Connectivity | BRAVIS A551 Atlas | other phones |
| Standard | GSM 900/1800/1900, 3G | |
| Interfaces | Wi-Fi 802.11n, Bluetooth, USB | |
| Multi SIM mode | alternate | |
| SIM-card amount | 2 | |
| Camera | BRAVIS A551 Atlas | other phones |
| Camera | 13 megapixels | |
| Front camera | 2 megapixels | |
| Camera functions | autofocus | |
| Video Recording | yes | |
| Multimedia | BRAVIS A551 Atlas | other phones |
| Audio | MP3, FM-radio | |
| Design | BRAVIS A551 Atlas | other phones |
| Case type | classic | |
| Height | 157.5 mm | |
| Width | 78.3 mm | |
| Thickness | 8.8 mm | |
| Weight | 206 grams | |
| Battery | BRAVIS A551 Atlas | other phones |
| Capacity | 2500 mA?h | |
| Battery type | Li-Ion | |
| Connector type for charging | micro-USB | |
| Other | BRAVIS A551 Atlas | other phones |
| Flashlight | yes | |
