| Brand: | Vivo |
| Model: | Y31s |
| Type: | Smartphone |
| Release Date: | 2021 |
| Size: | 6.58 inches, 104.8 cm2 |
| Resolution: | 1080 x 2408 pixels, 20:9 ratio (~400 ppi density) |
| Technology: | IPS LCD, 90Hz |
| Refresh Rate: | 90 Hz |
| Main Specs: | 13 MP, f/2.2, (wide), PDAF Auxiliary lens |
| Main Features: | LED flash, HDR, panorama |
| Main Video: | 4K@30fps, 1080p@30fps |
| Selfie Specs: | 8 MP, f/2.0, (wide) |
| Selfie Video: | 1080p@30fps |
| Capacity: | 5000 mAh |
| Charging: | 18W wired |
| Fast Charging: | 18W |
| Chipset: | Qualcomm SM4350 Snapdragon 480 5G (8 nm) |
| Cpu: | Octa-core (2x2.0 GHz Kryo 460 & 6x1.8 GHz Kryo 460) |
| Gpu: | Adreno 619 |
| Ram: | 4GB |
| Storage: | 64GB |
| Expandable: | No |
| Os: | Android 11, Funtouch 10.5 |
| Os Version: | 11 |
| Dimensions: | 164.2 x 75.4 x 8.4 mm (6.46 x 2.97 x 0.33 in) |
| Weight: | 185.5 g (6.56 oz) |
| Sim: | Nano-SIM + Nano-SIM |
| Wifi: | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Bluetooth: | 5.1, A2DP, LE, aptX HD |
| Nfc: | No |
| Usb: | USB Type-C 2.0, OTG |
| Headphone Jack: | Yes |
| Network: | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| Sensors: | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Colors: | Red, Gray, Aurora |
| Usd: | ~205 USD |
| Os Family: | Android |
| Os Launch Version: | 11 |
| Os Skin: | Funtouch 10.5 |
