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Oppo A3s vs vivo Y91
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Summary
Spec Score
|
72%
|
72%
|
Release Date
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15 Jul, 2018
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14 Jan, 2019
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Performance
|
|
|
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Snapdragon 450
|
MediaTek Helio P22
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|
Tru-Octa Core (upto 1.8 GHz)
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Tru-Octa Core (upto 2 GHz)
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|
2 GB RAM
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2 GB RAM
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Display
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|
|
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6.2 inches (15.75 cm)
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6.22 inches (15.8 cm)
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IPS LCD
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IPS LCD
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720x1520 px (HD+)
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720x1520 px (HD+)
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Rear Camera
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|
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13 MP
Primary Camera
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13 MP
Primary Camera
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|
2 MP
Depth Camera
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2 MP
Depth Camera
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Front Camera
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|
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8 MP
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8 MP
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Battery
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|
|
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4230 mAh
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4030 mAh
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No Wireless Charging
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No Wireless Charging
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Storage
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16 GB
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32 GB
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eMMC 5.1
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eMMC 5.1
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Expert Review
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3.5/10
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N/A
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Pros
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|
Cons
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User Ratings
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4.4/5
(30,674 ratings)
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4.4/5
(6,555 ratings)
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Video
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There are no videos available for the device.
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User Feedback
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General
Operating System
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Android v8.1 (Oreo)
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Android v8.1 (Oreo)
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Custom UI
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ColorOS
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Funtouch OS
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Performance
Performance Rating
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Good
|
Good
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Chipset
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Qualcomm Snapdragon 450
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MediaTek Helio P22
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CPU
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Octa core, 1.8 GHz, Cortex A53
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Octa core, 2 GHz, Cortex A53
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Architecture (The higher, the better)
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64 bit
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64 bit
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Fabrication (The lower, the better)
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14 nm
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12 nm
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Graphics (GPU)
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Adreno 506
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PowerVR GE8320
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RAM
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2 GB / 3 GB / 4 GB
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2 GB / 3 GB
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RAM Type
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LPDDR3
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LPDDR3
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Display
Display Rating
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Excellent
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Excellent
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Display Type
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IPS LCD
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IPS LCD
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Screen Size
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6.2 inches (15.75 cm)
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6.22 inches (15.8 cm)
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Resolution
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720x1520 px (HD+)
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720x1520 px (HD+)
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Aspect Ratio
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19:9
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19:9
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Pixel Density
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271 ppi
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270 ppi
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Screen to Body Ratio (calculated)
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80.85 %
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82.6 %
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Screen Protection
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Corning Gorilla Glass v3
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N/A
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Bezel-less Display
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Yes with notch
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Yes with waterdrop notch
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Screen to Body Ratio (claimed by the brand)
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N/A
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88.6 %
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Design
Height
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156.2 mm
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155.1 mm
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Width
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75.6 mm
|
75 mm
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Thickness
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8.2 mm
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8.2 mm
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Weight
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168 grams
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163.5 grams
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Build Material
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Back: Plastic
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Back: Plastic
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Rear Camera
Rear Camera Rating
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Good
|
Good
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Resolution
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13 MP
Primary Cameraf/2.2CMOS image sensor |
13 MP
Primary Cameraf/2.2CMOS image sensor |
|
2 MP
f/2.4 Depth Camera |
2 MP
f/2.4 Depth Camera |
Autofocus
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Yes
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Yes Phase Detection autofocus
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Flash
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Yes LED Flash
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Yes LED Flash
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Image Resolution
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4128 x 3096 Pixels
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4128 x 3096 Pixels
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Settings
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Exposure compensation ISO control
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Exposure compensation ISO control
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Shooting Modes
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Continuous Shooting
High Dynamic Range mode (HDR) |
Continuous Shooting
High Dynamic Range mode (HDR) |
Camera Features
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Digital Zoom
Auto Flash Face detection Touch to focus |
Digital Zoom
Auto Flash Face detection Touch to focus |
Video Recording
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1920x1080 @ 30 fps
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1920x1080 @ 30 fps
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Front Camera
Front Camera Rating
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Good
|
Very Good
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Resolution
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8 MP
f/2.2 Primary Camera |
8 MP
f/1.8 Primary Camera |
Flash
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N/A
|
Yes Screen flash
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Battery
Battery Rating
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Very Good
|
Very Good
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Capacity
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4230 mAh
|
4030 mAh
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Battery Type
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Li-ion
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Li-ion
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Storage
Internal Storage
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16 GB / 32 GB / 64 GB
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32 GB
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Storage Type
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eMMC 5.1
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eMMC 5.1
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External Storage
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Yes Up to 256 GB
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Yes Up to 256 GB
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Network & Connectivity
SIM Slot(s)
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Dual SIM
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Dual SIM
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SIM Type
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SIM1: Nano SIM2: Nano
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SIM1: Nano SIM2: Nano
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Network Support
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5G Not Supported 4G
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5G Not Supported 4G
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VoLTE
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Yes
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Yes
|
SIM 1
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4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) |
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) |
SIM 2
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4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) |
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) |
SAR Value
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Head: 1.166 W/kg Body: 0.934 W/kg
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Head: 1.283 W/kg Body: 0.609 W/kg
|
Wi-Fi
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Yes Wi-Fi 4 (802.11 b/g/n)
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Yes Wi-Fi 4 (802.11 b/g/n)
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Wi-Fi Features
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Mobile Hotspot
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Mobile Hotspot
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Bluetooth
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Yes v4.2
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Yes v5.0
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GPS
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Yes with A-GPS
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Yes with A-GPS Glonass
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NFC
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No
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N/A
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Multimedia
Audio Jack
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3.5 mm
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3.5 mm
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Sensors
Fingerprint Sensor
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No
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Yes
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Fingerprint Sensor Position
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N/A
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Rear
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Other Sensors
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Light sensor Proximity sensor Accelerometer Gyroscope
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Light sensor Proximity sensor Accelerometer Compass Gyroscope
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