The vivo Y31 Pro 5G, launched in September 2025, is a mid-range smartphone with these key specifications:

Display:

• 6.72-inch IPS LCD

• Resolution: 2408 x 1080 pixels (Full HD+)

• 120Hz refresh rate

• Peak brightness up to 1050 nits

Processor:

• MediaTek Dimensity 7300 (4nm)

• Octa-core CPU (4x 2.5 GHz Cortex-A78 + 4x 2.0 GHz Cortex-A55)

• Mali-G615 MC2 GPU

Memory & Storage:

• 8GB LPDDR4X RAM

• 128GB or 256GB UFS 3.1 storage

• No microSD card slot

Camera:

• Dual rear cameras:

  • 50MP primary sensor, f/1.8, PDAF

  • 2MP depth sensor

• Front camera:

  • 8MP wide, f/2.05

• Video recording: 4K@30fps rear, 1080p@30fps front

Battery:

• 6500mAh Li-ion

• 44W wired fast charging

• Reverse charging support

Build and Features:

• Dimensions: 165.7 x 76.3 x 8.1 mm; weight 204 g

• Plastic back and frame, glass front

• IP64 dust and splash resistance

• Side-mounted fingerprint sensor

• No 3.5mm headphone jack

• Stereo speakers

• Connectivity: Dual SIM 5G, Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 5.4, Infrared, USB Type-C 2.0

• Runs Android 15 with Funtouch OS 15

Colors available:

• Dreamy White, Mocha Brown

The vivo Y31 Pro 5G offers a large smooth 120Hz display, a powerful MediaTek Dimensity 7300 processor, a long-lasting 6500mAh battery with fast charging, and a decent camera setup, making it a balanced choice in the mid-range segment of 2025.