| Hardware and OS Vivo V21 SE |
| Operating system: | Android v10 (Q) |
| Processor: | Qualcomm Snapdragon 665 |
| RAM: | 8 GB |
| Internal Storage: | 128 GB |
| Expandable memory: | Yes, Upto 512 GB |
| Display Vivo V21 SE |
| Type: | IPS LCD |
| Size: | 6.44 inches |
| Resolution: | 1080 x 2400 Pixels |
| Pixel Density: | 409 ppi |
| Touchscreen: | Yes, Capacitive Touchscreen, Multi-touch |
| Connectivity Vivo V21 SE |
| Network support: | 4G , 3G, 2G |
| WI-FI: | Yes, Wi-Fi 802.11, b/g/n |
| Gps: | Yes, with A-GPS |
| Bluetooth: | Yes, v5.0 |
| Dual SIM: | Dual SIM, GSM GSM |
| SIM size: | SIM1: Nano, SIM2: Nano (Hybrid) |
| USB TYPE-C: | Yes |
| USB connectivity: | Mass storage device, USB charging |
| Camera Vivo V21 SE |
| Image: | 8000 x 6000 Pixels |
| Front camera resolution: | 32 MP, Wide Angle Primary Camera |
| Camera features: | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Flash: | Yes, LED Flash |
| Autofocus: | Yes |
| Video recording: | Yes |
| Multimedia Vivo V21 SE |
| Audio jack: | 3.5 MM |
| Loudspeaker: | Yes |
| Design Vivo V21 SE |
| Colours: | Black |
| Battery Vivo V21 SE |
| Capacity: | 4200 mAh |
| Type: | Li-ion |
| User replaceable: | No |
| Quick charging: | Yes, Fast |
| Other Vivo V21 SE |
| Fingerprint sensor: | Yes |
| Fingerprint sensor position: | On-Screen |
| Other sensors: | Light sensor, Proximity sensor, Accelerometer, Compass |
