Vivo Mobile Y31 5G 8GB 256GB Red

Device Overview & Platform

• Operating System: Android 15 with Fun touch OS 15
• Processor (Chipset): Qualcomm Snapdragon 4 Gen 2 (4 nm process) 
• CPU: Octa-core 
• GPU: Adreno 613

Memory & Storage

• RAM: 8 GB 
• Internal Storage: 256 GB 
  

Body, Dimensions & Build

• Dimensions: 166.14 × 77.01 × 8.39 mm 
• Weight: 209 grams 
  
• Fingerprint Sensor: Side-mounted capacitive fingerprint sensor 

• Resistance: Dust and water resistance — rated IP68 / IP69 / IP69+ (good protection against water and dust) 

Display

• Display Size: 6.68 inches (16.96 cm diagonal) 
• Display Type: IPS LCD 
• Resolution: 1608 × 720 pixels (HD+)
• Refresh Rate: Up to 120 Hz 
• Color Depth / Gamut: ~83% NTSC 
• Pixel Density: ~264 ppi 

• Brightness (HBM / Peak Brightness): ~1000 nits (helps usability under bright sunlight) 

 Connectivity & Network Support

• SIM Slots: Dual Nano-SIM (Dual SIM / Dual Standby) 
• Network Support: 2G, 3G, 4G LTE, 5G (with multiple 5G bands) 
• Wi-Fi: Wi-Fi 802.11 a/b/g/n/ac (dual-band) 
• Bluetooth: Bluetooth 4.2
• USB: USB Type-C 2.0 (supports OTG) 
• GPS & Navigation: Yes (GPS, GLONASS, GALILEO, BDS, QZSS)
• 3.5 mm headphone
  

 Cameras

• Rear Camera: Single 50 MP (wide) main sensor + auxiliary 0.08 MP lens 
• Aperture: f/1.8 (main 50 MP) + f/3.0 (aux)
• Flash: LED ring flash 
• Shooting Modes: Photo, Night, Portrait, Video, Live Photo, Slo-mo, Time-lapse, Pro, Panorama, Document, 50 MP mode, Underwater Photography (given water resistance) 
• Video Recording: up to 1080p @ 30 fps 
• Front (Selfie) Camera: 8 MP, f/2.0 aperture
• Video Recording: up to 1080p @ 30 fps

 Battery & Charging

• Battery Capacity: 6500 mAh (typical) — large capacity for long usage.
• Battery Type: Non-removable Li-ion battery 
• Fast Charging: 44W wired fast charging supported 

Audio & Speakers

• Audio Output: Stereo speakers (dual speakers) for louder/more immersive sound experience 

• Headphone jack: None (no 3.5 mm jack)

Durability & Extras

• Water & Dust Resistance: Certified IP68 / IP69 / IP69+ — water and dust resistant.
• Build: Composite plastic back, side fingerprint sensor, reasonably slim (8.39 mm thickness) and well-balanced for 6550 mAh battery capacity. 
• Made in China
• Warranty: ONE YEAR