| Hardware and OS | BQ Mobile BQS-5520 Mercury | |
| Operating system | Android 6.0 | |
| Processor | MediaTek MT6737, 1300 MHz | |
| Processor cores number | 4 | |
| RAM | 2 GB | |
| Internal Storage | 16 GB | |
| Memory Card Slot | yes, volume of up to 128 GB | |
| GPU | Mali-T720 MP2 | |
| Display | BQ Mobile BQS-5520 Mercury | other phones |
| Type | colored IPS, sensor | |
| Size | 5.5" | |
| Resolution | 1280x720 | |
| Touchscreen | multitouch, capacitive | |
| Connectivity | BQ Mobile BQS-5520 Mercury | other phones |
| Standard | GSM 900/1800/1900, 3G, 4G LTE, LTE-A Cat. 4 | |
| Interfaces | Wi-Fi 802.11n, Bluetooth 4.1, USB | |
| LTE range support | FDD: 2100, 1800, 2600, 800 MHz | |
| Multi SIM mode | alternate | |
| SIM-card amount | 2 | |
| Camera | BQ Mobile BQS-5520 Mercury | other phones |
| Camera | 13 megapixels | |
| Front camera | 8 megapixels | |
| Camera functions | autofocus | |
| Video Recording | yes | |
| Multimedia | BQ Mobile BQS-5520 Mercury | other phones |
| Audio | MP3 | |
| Headphone jack | 3.5 mm | |
| Design | BQ Mobile BQS-5520 Mercury | other phones |
| Case type | classic | |
| Height | 154 mm | |
| Width | 78 mm | |
| Thickness | 9 mm | |
| Weight | 155 grams | |
| Battery | BQ Mobile BQS-5520 Mercury | other phones |
| Capacity | 3650 mA?h | |
| Other | BQ Mobile BQS-5520 Mercury | other phones |
| Sensors | fingerprint scanner | |
| Flashlight | yes | |
