| Hardware and OS | BQ Mobile BQS-4525 Vienna | |
| Operating system | Android 4.4 | |
| Processor | Spreadtrum SC7731, 1200 MHz | |
| Processor cores number | 4 | |
| RAM | 512 Mb | |
| Internal Storage | 4 GB | |
| Memory Card Slot | yes, volume of up to 32 GB | |
| GPU | Mali-400 MP2 | |
| Display | BQ Mobile BQS-4525 Vienna | other phones |
| Type | colored IPS, sensor | |
| Size | 4.5" | |
| Resolution | 960x540 | |
| Touchscreen | multitouch, capacitive | |
| Connectivity | BQ Mobile BQS-4525 Vienna | other phones |
| Standard | GSM 900/1800/1900, 3G | |
| Interfaces | Wi-Fi 802.11n, Bluetooth, USB | |
| Multi SIM mode | alternate | |
| SIM-card amount | 2 | |
| Camera | BQ Mobile BQS-4525 Vienna | other phones |
| Camera | 5 megapixels | |
| Front camera | 2 megapixels | |
| Video Recording | yes | |
| Multimedia | BQ Mobile BQS-4525 Vienna | other phones |
| Audio | MP3 | |
| Headphone jack | 3.5 mm | |
| Design | BQ Mobile BQS-4525 Vienna | other phones |
| Case material | plastic | |
| Case type | classic | |
| Height | 132 mm | |
| Width | 68 mm | |
| Thickness | 10 mm | |
| Weight | 132 grams | |
| Battery | BQ Mobile BQS-4525 Vienna | other phones |
| Capacity | 1800 mA?h | |
| Connector type for charging | micro-USB | |
