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Vivo

Y31

Complete specifications, key features and physical details in one clear page.

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Display
6.68 inches
Chipset
Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
Hardware tier
Mid-range
RAM
4 GB / 6 GB
Storage
128 GB / 128 GB
Battery
6,500 mAh
Weight
209 g (7.37 oz)

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Release

AvailabilityReleased 2025, September 15

Body

Dimensions166.1 x 77 x 8.4 mm (6.54 x 3.03 x 0.33 in)
Weight209 g (7.37 oz)
SIMNano-SIM + Nano-SIM
ColorsRose Red, Diamond Green

Display

TypeIPS LCD, 120Hz, 1000 nits (HBM)
Size6.68 inches, 107.4 cm2(~84.0% screen-to-body ratio)
Resolution720 x 1608 pixels, 20:9 ratio (~264 ppi density)
ProtectionGuardian Glass (ion-strengthened)

Platform

Operating systemAndroid 15, Funtouch 15
ChipsetQualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPUOcta-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPUAdreno 613

Memory

RAM4 GB, 6 GB
Storage128GB 4GB RAM, 128GB 6GB RAM
Expandable storagemicroSDXC (uses shared SIM slot)

Battery

CapacityLi-Ion 6500 mAh
Wired charging44W wired, 50% in 38 minReverse wired

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