Symphony i21 Full Specifications
General
| Brand | Symphony |
| Model | i21 |
| Device Type | Smartphone |
| Release Date | 24 May 2017 |
| Status | Available |
Hardware & Software
| Operating System | Android |
| OS Version | v6.0 |
| CPU | 4x Cortex-A7 1.3 GHz |
| CPU Cores | 4 Cores |
| Architecture | 32 bit |
| GPU | Mali-400 MP2 |
Display
| Display Type | IPS LCD |
| Screen Size | 5.0 inches (12.7 cm) |
| Resolution | 1280x720 px (HD) |
| Pixel Density | 294 ppi |
| Screen Protection | Gorilla Glass |
| Bezel-less Display | Yes with notch |
| Touch Screen | Capacitive Touchscreen |
| Notch | Yes |
Cameras
Primary Camera
| Camera Setup | Single |
| Resolution | 8 MP, f/2.0, Primary Camera |
| Autofocus | Yes |
| Flash | LED Flash |
| Settings | Exposure compensation, ISO control |
| Zoom | Digital Zoom |
| Shooting Modes | Continuous Shooting, High Dynamic Range mode (HDR) |
| Aperture | f/2.0 |
| Video Recording | 1280x720 |
| Video FPS | 30 fps |
Selfie Camera
| Camera Setup | Single |
| Resolution | 5 MP, f/2.2, Primary Camera |
| Video Recording | 1280x720 |
| Video FPS | 30 fps |
| Aperture | f/2.2 |
Design
| Height | 145.5 mm |
| Width | 72.6 mm |
| Thickness | 8.85 mm |
| Weight | 144 grams |
| Colors | Gold, Black, Grey, Black |
Battery
| Battery type | Li-Poly (Lithium Polymer) |
| Capacity | 2500 mAh |
| Placement | Removable |
| Standby | Up to 220 h (3G) |
| Talk Time | Up to 11 h (3G) |
Memory
| Internal Storage | 8 GB |
| Expandable Memory | Up to 32 GB |
| USB OTG | Yes |
| RAM | 1 GB |
Network & Connectivity
| Network | 2G, 3G |
| SIM Slot | Dual SIM, GSM+GSM |
| SIM Size | SIM1: Nano, SIM2: Nano |
| EDGE | Available |
| GPRS | Available |
| VoLTE | Yes |
| Speed | HSPA |
| WLAN | Wi-Fi 4 (802.11 b/g/n) |
| Bluetooth | v2.1 |
| GPS | Yes, with A-GPS |
| Wi-fi Hotspot | Yes |
| USB | Mass storage device, USB charging, microUSB 2.0 |
Sensors & security
| Light Sensor | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
Multimedia
| FM Radio | Yes |
| Loudspeaker | Yes |
| Alert Types | Vibration, MP3, WAV ringtones |
| Audio Jack | 3,5 mm |
| Video | 1080p@30fps |
| Document Reader | Yes |
More
| Made By | Bangladesh |
| Features | Accelerometer, proximity, compass |