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Summary
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| Display |
2.4" (6.1 cm) 240x320 px
| 5.1" (12.95 cm) 1440x2560 px (QHD (2k))
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| Rear Camera |
0.3 MP Single Camera
| 16 MP Single Camera
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| Battery |
1800 mAh
| 2550 mAh 17 h talktime (3G)
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| Performance |
N/A
| Samsung Exynos 7 Octa 7420 3 GB RAM
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| Front Camera |
N/A
| 5 MP Single Camera
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| Storage |
N/A
| 64 GB Non Expandable
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| Expert Rating |
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| User Rating |
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| Compare Prices |
BQ K51 is permanently discontinued.
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Not Available in any store
Notify me when it's available
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General
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| Launch Date |
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April 10, 2015 (Official) |
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| Operating System |
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Android v5.0.2 (Lollipop) |
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| Custom UI |
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TouchWiz UI |
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Performance
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Good
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| Chipset |
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Samsung Exynos 7 Octa 7420 |
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| CPU |
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Octa core (2.1 GHz, Quad core, ARM Cortex A57 + 1.5 GHz, Quad core, Cortex A53) |
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| Architecture |
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64 bit |
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| Graphics |
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Mali-T760 MP8 |
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| RAM |
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3 GB |
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| RAM Type |
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LPDDR4 |
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Display
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Excellent
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| Display Type |
TFT |
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| Screen Size |
2.4 " (6.1 cm) |
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| Resolution |
240x320 px |
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| Aspect Ratio |
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16:9 |
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| Pixel Density |
167 ppi |
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| Screen to Body Ratio (calculated) |
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70.76 % |
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| Screen Protection |
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Corning Gorilla Glass v4, Scratch-resistant glass |
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| Touch Screen |
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, Capacitive Touchscreen, Multi-touch |
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Design
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Size Compare
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| Weight |
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138 grams |
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| Colours |
Black, Silver |
Black, Blue, Gold, White |
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Camera
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Main Camera
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| Camera Setup |
Single |
Single |
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| Resolution |
0.3 MP Primary Camera |
16 MP f/1.9, Primary Camera |
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| Sensor |
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CMOS image sensor, Exmor-RS CMOS Sensor |
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| Autofocus |
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, Phase Detection autofocus |
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| OIS |
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| Flash |
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, LED Flash |
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| Image Resolution |
640 x 480 Pixels |
5312 x 2988 Pixels |
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| Settings |
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Exposure compensation, ISO control |
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| Shooting Modes |
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Continuous Shooting |
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| Camera Features |
Digital Zoom |
Digital Zoom |
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| Video Recording |
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3840x2160 @ 30 fps |
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| Video Recording Features |
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Dual Video Recording |
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Front Camera
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Average
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| Camera Setup |
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Single |
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| Resolution |
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5 MP f/1.9, Primary Camera |
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| Sensor |
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CMOS |
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| Flash |
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No |
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| Video Recording |
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2560x1440 @ 30 fps |
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Battery
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Average
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| Capacity |
1800 mAh |
2550 mAh |
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| Type |
Li-ion |
Li-ion |
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| Removable |
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No |
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| TalkTime |
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Up to 17 Hours(3G) |
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| Wireless Charging |
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| Quick Charging |
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, Fast |
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| USB Type-C |
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No |
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Storage
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Best in Class
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| Internal Memory |
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64 GB |
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| Expandable Memory |
, Up to 8 GB |
No |
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| USB OTG |
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Network & Connectivity
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| SIM Slot(s) |
Dual SIM, GSM+GSM |
Single SIM, GSM |
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| SIM Size |
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SIM1: Nano |
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| Network Support |
5G Not Supported in India, 2G |
5G Not Supported in India, 4G Supported in India, 3G, 2G |
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| SIM 1 |
2G Bands: GSM 1800 / 850 / 900 MHz GPRS: Available
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4G Bands: TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 850(band 26) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 4G Speed: 50 Mbit/s ↑ 300 Mbit/s ↓ (LTE category 6) 3G Speed: HSDPA 42.2 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available |
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| SIM 2 |
2G Bands: GSM 1800 / 850 / 900 MHz
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| SAR Value |
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Head: 0.293 W/kg |
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| Wi-Fi |
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, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz |
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| Wi-Fi Features |
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Wi-Fi Direct, Mobile Hotspot |
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| Bluetooth |
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, v4.1 |
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| GPS |
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with A-GPS, Glonass |
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| NFC |
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| USB Connectivity |
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Mass storage device, USB charging, USB Host, microUSB 2.0 |
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| HDMI |
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via microUSB |
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| Mobile High-Definition Link(MHL) |
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Multimedia
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| FM Radio |
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No |
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| Loudspeaker |
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| Audio Jack |
3.5 mm |
3.5 mm |
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| Video Player |
, Video Formats: 3GP |
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| Ring Tone |
Music ringtones, Polyphonic ringtones, Vibration |
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| Music |
, Music Formats: MP3 |
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| Special Features |
Torch Light |
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Sensors
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| Fingerprint Sensor |
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| Fingerprint Sensor Position |
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Front |
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| Heart Rate Monitor |
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| Other Sensors |
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Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope |
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| Games |
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| Browser |
, WAP |
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| Phone Book |
, Limited |
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| Other Facilities |
Calculator, Stopwatch, World clock, To-Do, Alarm |
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