vivo Y31 5G 6GB RAM Specifications

Key Specs

RAM & Storage 4 GB RAM + 128 GB
6 GB RAM + 128 GB
Processor Qualcomm Snapdragon 4 Gen 2
Rear Camera 50 MP + 0.08 MP
Front Camera 8 MP
Battery 6500 mAh
Display 6.68 inches (16.97 cm)

General

Launch Date September 13, 2025 (Official)
Operating System Android v15
Custom UI Funtouch OS

Performance

(Very Good)
Chipset Qualcomm Snapdragon 4 Gen 2
CPU Octa core (2.2 GHz, Dual core, Cortex A78 + 1.95 GHz, Hexa Core, Cortex A55)
Architecture 64 bit
Fabrication 4 nm
Graphics (GPU) Adreno 613
RAM 4 GB / 6 GB
RAM Type LPDDR4X

Display

(Excellent)
Display Type LCD
Screen Size 6.68 inches (16.97 cm)
Resolution 720x1608 px (HD+)
Peak Brightness 1000 nits
HBM Brightness 1000 nits
Refresh Rate 120 Hz
Aspect Ratio 20:9
Pixel Density 264 ppi
Screen to Body Ratio (calculated) 84.2 %
Screen Protection Yes
Bezel-less Display Yes with punch-hole display

Design

Height 166.14 mm
Width 77.01 mm
Thickness 8.39 mm
Weight 209 grams
Build Material Back: Plastic
Water Resistance Yes, Water resistant, IP68, IP69, (up to 30 minutes in a depth of 1.5 meter)
Ruggedness Dust proof, Shock proof

Rear Camera

(Very Good)
Resolution
CameraMPApertureLens Features
Primary50 MPf/1.8Wide Angle
Secondary0.08 MPf/3.0
Autofocus Yes
OIS No
Flash Yes, LED Flash + Aura Light
Image Resolution 8150 x 6150 Pixels
Settings Exposure compensation, ISO control
Shooting Modes Continuous Shooting
High Dynamic Range mode (HDR)
Camera Features Digital Zoom
Auto Flash
Face detection
Touch to focus
Video Recording 1920x1080 @ 30 fps

Front Camera

(Very Good)
Resolution
CameraMPApertureLens Features
Primary8 MPf/2.0Wide Angle
Autofocus No
Video Recording 1920x1080 @ 30 fps

Battery

(Excellent)
Capacity 6500 mAh
Battery Type Li-ion
Quick Charging Yes, 44W Flash Charging, 50% in 38 minutes

Storage

Internal Storage 128 GB
Storage Type eMMC 5.1
Expandable Storage Yes, Up to 2 TB

Network & Connectivity

SIM Slot(s) Dual SIM
SIM Type SIM1: Nano, SIM2: Nano (Hybrid)
Network Support 5G, 4G
VoLTE Yes
SIM 1 5G bands, 4G bands
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Bands Features
5G bandsFDD N1 / N3 / N5 / N8 / N28
TDD N40 / N77 / N78
4G bandsTD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5)
SIM 2 5G bands, 4G bands
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Bands Features
5G bandsFDD N1 / N3 / N5 / N8 / N28
TDD N40 / N77 / N78
4G bandsTD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5)
SAR Value Head: 1.130 W/kg, Body: 0.986 W/kg
Wi-Fi Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Wi-Fi Features Mobile Hotspot
Bluetooth Yes, v4.2
GPS Yes with A-GPS, Glonass
NFC No

Multimedia

Stereo Speakers Yes
Audio Jack USB Type-C

Sensors

Fingerprint Sensor Yes
Fingerprint Sensor Position Side
Other Sensors Light sensor, Proximity sensor, Accelerometer