| Hardware and OS BQ Aquaris M5.5 | 
| Operating system: | Android 5.1.1 (Lollipop), upgradable to 7.0 (Nougat) | 
| Processor: | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) | 
| Chipset: | Qualcomm MSM8939 Snapdragon 615 (28 nm) | 
| GPU: | Adreno 405 | 
| Internal memory: | 16 GB, 2/3 GB RAM 32 GB, 3 GB RAM
 | 
| External memory: | microSD, up to 64 GB | 
| Display BQ Aquaris M5.5 | 
| Type: | IPS LCD | 
| Size: | 5.5" inc | 
| Resolution: | 1080 x 1920 px | 
| Protection: | Asahi Dragontrail Glass | 
| Touchscreen: | capacitive touchscreen | 
| Screen-to-Body Ratio: | 72.8% | 
| Display area: | 83.4 cm2 | 
| Display aspect ratio: | 16:9 (height:width) | 
| Pixel Density: | 401 PPI | 
| Colors: | 16M | 
| Connectivity BQ Aquaris M5.5 | 
| 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), 20(800) | 
| Wi-Fi: | Wi-Fi 802.11 b/g/n, hotspot | 
| Network: | GSM / HSPA / LTE | 
| SIM card: | Dual SIM (Micro-SIM, dual stand-by) | 
| Bluetooth: | 4.0, A2DP | 
| Edge: | Yes | 
| GPRS: | Yes | 
| GPS: | Yes, with A-GPS, GLONASS | 
| NFC: | Yes | 
| Speed: | HSPA, LTE | 
| USB: | microUSB 2.0, USB On-The-Go | 
| Camera BQ Aquaris M5.5 | 
| Main camera: | 13 MP, 
 Single | 
| Specs: | 13 MP, f/2.0, 1/3', 1.12µm, AF | 
| Features: | Dual-LED flash, panorama, HDR | 
| Features: | LED flash | 
| Video: | 1080p@30fps | 
| Selfie camera: | 5 MP,
 Single | 
| Specs: | 5 MP, f/2.0 | 
| Video: | 1080p@30fps | 
| Multimedia BQ Aquaris M5.5 | 
| 3.5 mm Jack: | Yes | 
| Radio: | FM radio | 
| Design BQ Aquaris M5.5 | 
| Colors: | Black, White | 
| Dimensions: | 151.8 x 75.5 x 8.4 mm | 
| Weight: | 162 g | 
| Battery BQ Aquaris M5.5 | 
| Battery capacity: | 3620 mAh,  Non-removable Li-Po | 
| Other BQ Aquaris M5.5 | 
| SAR: | SAR EU - 0.40 W/kg (head),  0.80 W/kg (body) | 
| Release date: | 2015 | 
| Sensors: | Accelerometer, gyro, proximity, compass |