The Vivo Y31 5G sports a 6.68-inch LCD Display with an HD+ Resolution of 1608 x 720 pixels, 120Hz refresh rate, 264 ppi, and 1000 nits of brightness. The Y31 5G is powered by the Snapdragon 4 Gen 2 Processor paired with up to 6GB of LPDDR4x RAM and up to 128GB of eMMC 5.1 storage that is also expandable up to 2TB.
The device has a dual rear camera setup, including a 50MP f/1.8 primary sensor with PDAF and a 0.08MP f/3.0 auxiliary sensor. On the front, it gets an 8MP f/2.0 selfie sensor. The handset is backed by a 6500mAh battery with 44W fast wired charging support.
Connectivity options on the device include Wi-Fi 5, Bluetooth v5.2, GPS, and a USB-C port. It further runs on FunTouch OS 15 based on Android 15. The device also packs stereo speakers, and also has IP68 + IP69 dust and water resistance. There’s also a side-mounted fingerprint sensor for biometric authentication.
| Status | Launched |
| Launch Date | 13 September, 2025 |
| Price (₹) | 14,999 |
| Memory Variants | 4/128 GB, 6/128 GB |
| Colour Options | Diamond Green, Rose Red |
| Front Protection Glass | Some Glass |
| Device Back | Polycarbonate/Plastic |
| Screen Size (Inches) | 6.68 |
| Screen Type | IPS LCD |
| Screen Resolution | 1608 x 720 pixels |
| Screen Aspect Ratio | 20:9 |
| Refresh Rate | 120 Hz |
| Touch Sampling Rate | N/A |
| Pixel Density (PPI) | 264 |
| Chipset | Snapdragon 4 Gen 2 |
| Phone RAM | 4 GB, 6 GB |
| Phone RAM Type | LPDDR4x |
| Storage Capacity | 128 GB |
| Storage Type | eMMC 5.1 |
| Memory Card Slot | Hybrid (SIM + Memory Card) |
| OS & UI | Android 15, FunTouch OS 15 |
| Rear Camera Module | Dual |
| Rear Camera Specs | 50MP f/1.8 primary sensor + 0.08MP f/3.0 auxiliary sensor |
| Front Camera Module | Single |
| Front Camera Specs | 8MP f/2.0 sensor |
| Battery Capacity (mAh) | 6500 |
| Fast Charging | |
| Charging Speed | 44W |
| Wireless Charging | |
| Reverse Charging |
| Supported Networks | 5G |
| SIM Slots | Dual (Hybrid) |
| Bluetooth | v5.2 |
| Wi-Fi | Wi-Fi 5 |
| USB Port | USB Type-C |
| NFC Chip | |
| Supported GPS | Dual Band GPS, GLONASS, NavIC |
| 3.5 mm Audio Jack | |
| Set of Speakers | Stereo |
| Face Unlock | |
| Fingerprint Reader | Side Mounted |
| IR Blaster | |
| Sensors | Accelerometer, E-Compass, Fingerprint, Gyroscope, Proximity, Vibration |
| IP Rating | IP68 + IP69 |