Helio S25 Specifications
General
| Brand | Helio |
| Model | S25 |
| Device Type | Smartphone |
| Price in BD | BDT. 14,330 (Official) |
| Release Date | 26 March 2017 |
| Status | Available |
| Camera | 13 MP |
| Display | 5.5 inches (13.97 cm) |
| Processor | MT6755 |
| Battery | 3000 mAh |
Display
| Display Type | IPS LCD |
| Screen Size | 5.5 inches (13.97 cm) |
| Resolution | 1080x1920 px (FULL HD+) |
| Aspect Ratio | 16:9 |
| Pixel Density | 294 ppi |
| Screen to Body Ratio | 68.6% |
| Screen Protection | Corning Gorilla Glass 3 |
| Bezel-less Display | Yes with notch |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
| Notch | Yes |
Hardware & Software
Software
| Operating System | Android |
| OS Version | v6.0 |
Processor
| Chipset | MT6755 |
| CPU | Octa core, 1.95 GHz, Cortex A53 |
| CPU Cores | 8 Cores |
| Architecture | 64 bit |
| GPU | Mali-T860 MP2 |
Memory
| Internal Storage | 64 GB |
| Expandable Memory | Up to 128 GB |
| RAM | 4 GB |
Cameras
Main Camera
| Camera Setup | Dual |
| Resolution | 13 MP, Primary Camera, 5 MP, Camera |
| Autofocus | Yes |
| Flash | LED Flash |
| Settings | Exposure compensation, ISO control |
| Zoom | Digital Zoom |
| Video Recording | 1920x1080 |
| Video FPS | 30 fps |
Selfie Camera
| Camera Setup | Single |
| Resolution | 13 MP, Primary Camera |
| Video Recording | 1920x1080 |
| Video FPS | 30 fps |
Design & Build
| Dimensions | 154.2 x 76.4 x 7.4mm |
| Weight | 168.2 grams |
| Height | 154.2 mm |
| Width | 76.4 mm |
| Thickness | 7.4mm |
| Colors | Jet Black |
Battery
| Battery type | Li-Poly (Lithium Polymer) |
| Capacity | 3000 mAh |
| Placement | Non-removable |
| Standby | 250 Hour(2G), 209 Hour(3G), 199 Hour(4G) |
| Talk Time | 20 Hour(2G), 16 Hour(3G), 11 Hour(4G) |
Network
SIM 1
| Technology | 2G, 3G, 4G |
| SIM Size | Nano |
| SIM Slot | Dual SIM, GSM+GSM |
| 2G Bands | GSM 1800 / 1900 / 850 / 900 MHz |
| 3G Bands | UMTS 1900 / 2100 / 850 / 900 MHz |
| 4G Bands | TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) |
| VoLTE | Yes |
| GPRS | Available |
| EDGE | Available |
| Speed | HSPA, LTE |
SIM 2
| Technology | 2G, 3G, 4G |
| SIM Type | Nano (Hybrid) |
| SIM Slot | Dual SIM, GSM+GSM |
| 2G Bands | GSM 1800 / 1900 / 850 / 900 MHz |
| 3G Bands | UMTS 1900 / 2100 / 850 / 900 MHz |
| 4G Bands | TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) |
| VoLTE | Yes |
| GPRS | Available |
| EDGE | Available |
| Speed | HSPA, LTE |
Connectivity
| WLAN | Wi-Fi 4 (802.11 a/b/g/n) |
| Bluetooth | v4.0 |
| GPS | Yes with A-GPS, Glonass |
| Wi-fi Hotspot | Yes |
| USB | MicroUSB 2.0 |
Multimedia
| FM Radio | Yes |
| Loudspeaker | Yes |
| Alert Types | Vibration, MP3, WAV ringtones |
| Video | 1080p@30fps |
| Document Reader | Yes |
| Audio Jack | 3.5 mm |
Sensors & Security
| Light Sensor | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
| Fingerprint Sensor | Yes |
| Finger Sensor Position | Front-mounted |
| Face Unlock | Yes |
Manufacturer
| First Arrival | 26 March 2017 |
| Manufactured By | Helio |
| Availability | Available |
| Made By | China |
More
| Sensor | Accelerometer, Proximity Sensor |