Review

Vivo Y31

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vivo Y31

Full Phone Specification (Updated on 11/21/2025)

On Sale: September 15, 2025
Operating System: Android 15, Funtouch 15
Colors: Diamond Green, Rose Red
Network Speed: 5G, 4G, 3G, 2G
Display
Size: 6.68 inches, 107.4 cm2 (84.0% screen-to-body ratio)
Resolution: 720 x 1608 pixels, 20:9 ratio (264 ppi density)
Type: IPS LCD, 120Hz, 1000 nits (HBM)
Protection: Guardian Glass (ion-strengthened)
Body
Dimensions: Height: 166.1 mm(6.54 in)
Width: 77 mm(3.03 in)
Thickness: 8.4 mm(0.33 in)
Weight: 209 g
Water Resistant: IPx9
SIM: Nano-SIM + Nano-SIM
Rear Camera
Number of Cameras: 1
Camera Resolutions: 50 MP, f/1.8, (wide), PDAF
Auxiliary lens
Video Resolution: 1080p@30fps
Features: Ring-LED flash, panorama
Front (Selfie) Camera
Camera Resolutions: 8 MP, f/2.0, (wide)
Video Resolution: 1080p@30fps
Battery
Battery Capacity: Li-Ion 6500 mAh
Charging: 44W wired, 50% in 38 min
Reverse wired
Hardware
Chipset: Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
Processor: Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU: Adreno 613
Memory: 128GB 4GB RAM, 128GB 6GB RAM
Memory Card Slot: microSDXC (uses shared SIM slot)
Radio: No
Audio Jack 3.5 mm: No
Network & Connectivity
Wi-Fi: Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth: 4.2, A2DP, LE
USB: USB Type-C 2.0, OTG
GPS: GPS, GLONASS, GALILEO, BDS, QZSS
NFC: No
Technology: 5G / LTE / HSPA / GSM
To sum up:

Product by VIVO - Y31. The relatively new phone was released on September 15, 2025.

The phone has a very good 50MP camera for capturing clear and detailed images. Video recording resolutions 1080p. It has a large and clear display size 6.68 inches, with resolution 720 x 1608.

Supports 5G, the fifth-generation mobile network, with download speeds that are a significant improvement over previous generations.

The phone is equipped with an excellent battery of high-capacity 6500 mAh. And RAM capacity of 6 GB.

Waterproof phone with an excellent IPx9 rating.

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