Snapdragon 4 Gen 2
128GB storage, microSDXC
4/6GB RAM
50MP
6.68" 720x1608 pixels
Android 15, Funtouch 15
6500mAh
vivo Y31 5G Android smartphone. Announced Sep 2025. Features 6.68″ display, Snapdragon 4 Gen 2 chipset, 6500 mAh battery, 128 GB storage, 6 GB RAM, MIL-STD-810H compliant, Guardian Glass (ion-strengthened).
Network
| Speed | HSPA, LTE, 5G |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| 3G Bands | HSDPA 850 / 900 / 2100 |
| 4G Bands | 1, 3, 5, 8, 28, 38, 40, 41 |
| 5G Bands | 1, 3, 5, 8, 28, 40, 77, 78 SA/NSA |
| Technology | GSM / HSPA / LTE / 5G |
Launch
| Status | Available. Released 2025, September 15 |
| Announced | 2025, September 15 |
Body
| SIM | Nano-SIM + Nano-SIM |
| Weight | 209 g (7.37 oz) |
| Dimensions | 166.1 x 77 x 8.4 mm (6.54 x 3.03 x 0.33 in) |
Display
| Size | 6.68 inches, 107.4 cm2 (~84.0% screen-to-body ratio) |
| Type | IPS LCD, 120Hz, 1000 nits (HBM) |
| Protection | Guardian Glass (ion-strengthened) |
| Resolution | 720 x 1608 pixels, 20:9 ratio (~264 ppi density) |
Platform
| Operating System | Android 15, Funtouch 15 |
| CPU | Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55) |
| GPU | Adreno 613 |
| Chipset | Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm) |
Memory
| Internal Storage | 128GB 4GB RAM, 128GB 6GB RAM |
| Card Slot | microSDXC (uses shared SIM slot) |
Main Camera
| Video | 1080p@30fps |
| Single | 50 MP, f/1.8, (wide), PDAF Auxiliary lens |
| Features | Ring-LED flash, panorama |
Selfie Camera
| Video | 1080p@30fps |
| Single | 8 MP, f/2.0, (wide) |
Sound
| specs.keys.3.5mm jack | No |
| Loudspeaker | Yes, with stereo speakers |
Communications
| NFC | No |
| USB | USB Type-C 2.0, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Radio | No |
| Bluetooth | 4.2, A2DP, LE |
| Positioning | GPS, GLONASS, GALILEO, BDS, QZSS |
Features
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass |
Battery
| Type | Li-Ion 6500 mAh |
| Charging | 44W wired, 50% in 38 min Reverse wired |
Miscellaneous
| SAR | 1.13 W/kg (head) 0.99 W/kg (body) |
| Price | About 150 EUR |
| Colors | Rose Red, Diamond Green |
