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Summary
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| Performance |
HiSilicon Kirin 4 GB RAM
| MediaTek MT6757 4 GB RAM
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|---|---|---|---|---|
| Display |
5.93" (15.06 cm) 1080x2160 px (FHD+)
| 6.0" (15.24 cm) 720x1440 px (HD+)
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| Rear Camera |
16 MP + 2 MP Dual Camera
| 13 MP + 5 MP Dual Camera
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| Front Camera |
8 MP Single Camera
| 5 MP Single Camera
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| Battery |
3340 mAh 21 h talktime (3G)
| 5100 mAh
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| Storage |
32 GB 256 GB (Expandable)
| 64 GB 256 GB (Expandable)
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| Expert Rating |
4.0/5 Read Expert Review
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| User Rating |
4.2/5 based on 28,689 ratings
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4/5 based on 4 ratings
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| Compare Prices |
Not Available in any store
Notify me when it's available
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Umidigi S2 is permanently discontinued.
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General
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| Launch Date |
December 7, 2017 (Official) |
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|---|---|---|---|---|
| Operating System |
Android v7.0 (Nougat) |
Android v6.0 (Marshmallow) |
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| Custom UI |
EMUI |
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Performance
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Good
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Good
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| Chipset |
HiSilicon Kirin 659 |
MediaTek MT6757 |
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|---|---|---|---|---|
| CPU |
Octa core (2.36 GHz, Quad core, Cortex A53 + 1.7 GHz, Quad core, Cortex A53) |
Octa core (2.3 GHz, Quad core, Cortex A53 + 1.6 GHz, Quad core, Cortex A53) |
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| Architecture |
64 bit |
64 bit |
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| Graphics |
Mali-T830 MP2 |
Mali-T880 MP2 |
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| RAM |
4 GB |
4 GB |
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Display
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Good
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Average
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| Display Type |
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IPS LCD |
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|---|---|---|---|---|
| Screen Size |
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6.0 " (15.24 cm) |
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| Resolution |
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720x1440 px (HD+) |
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| Aspect Ratio |
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18:9 |
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| Pixel Density |
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268 ppi |
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| Screen to Body Ratio (calculated) |
77.01 % |
78.77 % |
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| Screen Protection |
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Corning Gorilla Glass v4 |
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| Bezel-less display |
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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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Size Compare
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| Dimensions |
Height: 156.5 mm |
Height: 158.1 mm |
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|---|---|---|---|---|
| Weight |
165 grams |
186 grams |
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| Build Material |
Case: Metal |
Case: Metal |
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| Colours |
Black, Blue, Gold |
Black, Red |
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Camera
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Main Camera
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| Camera Setup |
Dual |
Dual |
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|---|---|---|---|---|
| Resolution |
16 MP f/2.2, Wide Angle, Primary Camera(26 mm focal length, 2.9" sensor size, 1.25µm pixel size)2 MP, Depth Camera |
13 MP f/2.0, Primary Camera |
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| Sensor |
CMOS image sensor |
IMX258, Exmor-RS CMOS Sensor |
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| Autofocus |
, Phase Detection autofocus |
, Phase Detection autofocus |
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| OIS |
No |
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| Flash |
, LED Flash |
, Quad LED Flash |
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| Image Resolution |
4616 x 3464 Pixels |
4128 x 3096 Pixels |
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| Settings |
Exposure compensation, ISO control |
Exposure compensation |
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| Shooting Modes |
Continuous Shooting |
Continuous Shooting |
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| Camera Features |
Digital Zoom |
Digital Zoom |
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| Video Recording |
1920x1080 @ 30 fps |
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Front Camera
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Good
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Average
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| Camera Setup |
Single |
Single |
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|---|---|---|---|---|
| Resolution |
8 MP f/2.0, Wide Angle, Primary Camera(27 mm focal length) |
5 MP, Primary Camera |
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| Video Recording |
1920x1080 @ 30 fps |
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Battery
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Good
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Very Good
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| Capacity |
3340 mAh |
5100 mAh |
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|---|---|---|---|---|
| Type |
Li-ion |
Li-Polymer |
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| Removable |
No |
No |
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| TalkTime |
Up to 21 Hours(3G) |
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| Standby time |
Up to 647 Hours(3G) |
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| Quick Charging |
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, Quick, v2.0 |
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| USB Type-C |
No |
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Storage
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Best in Class
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Best in Class
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| Internal Memory |
32 GB |
64 GB |
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|---|---|---|---|---|
| Expandable Memory |
, Up to 256 GB |
, Up to 256 GB |
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| USB OTG |
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Network & Connectivity
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| SIM Slot(s) |
Dual SIM, GSM+GSM |
Dual SIM, GSM+GSM |
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|---|---|---|---|---|
| SIM Size |
SIM1: Nano |
SIM1: Nano |
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| Network Support |
5G Not Supported in India, 4G Supported in India, 3G, 2G |
5G Not Supported in India, 4G Not Supported in India, 3G, 2G |
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| VoLTE |
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| SIM 1 |
4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available |
4G Bands: FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 800(band 20) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
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| SIM 2 |
4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available |
4G Bands: FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 800(band 20) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
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| SAR Value |
Head: 1.23 W/kg |
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| Wi-Fi |
, Wi-Fi 4 (802.11 b/g/n) |
, Wi-Fi 4 (802.11 a/b/g/n) |
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| Wi-Fi Features |
Wi-Fi Direct, Mobile Hotspot |
Mobile Hotspot |
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| Bluetooth |
, v4.1 |
, v4.0 |
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| GPS |
with A-GPS, Glonass |
with A-GPS, Glonass |
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| NFC |
No |
No |
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| USB Connectivity |
Mass storage device, USB charging, microUSB 2.0 |
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Multimedia
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| FM Radio |
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| Loudspeaker |
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| Audio Jack |
3.5 mm |
USB Type-C |
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Sensors
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| Fingerprint Sensor |
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|---|---|---|---|---|
| Fingerprint Sensor Position |
Rear |
Rear |
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| Other Sensors |
Light sensor, Proximity sensor, Accelerometer, Compass |
Light sensor, Proximity sensor, Accelerometer, Compass |
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