| Brand | : | Vivo |
| Model | : | Y21G |
| Color | : | Midnight Blue |
| Network Service Provider | : | Unlocked for All Carriers |
| Technology | : | GSM / HSPA / LTE |
| Dimensions | : | 164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in) |
| Weight | : | 182 g (6.42 oz) |
| Build | : | Glass front, plastic frame, plastic back |
| SIM | : | Dual SIM (Nano-SIM, dual stand-by) |
| Type | : | IPS LCD |
| Size | : | 6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio) |
| Resolution | : | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) |
| OS | : | Android 11, Funtouch 11.1 |
| Chipset | : | Mediatek MT6769 Helio G70 (12 nm) |
| CPU | : | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) |
| GPU | : | Mali-G52 2EEMC2 |
| Card slot | : | microSDXC (dedicated slot) |
| Internal | : | 64GB 4GB RAM |
| Dual | : | 13 MP, f/2.2, (wide), PDAF 2 MP, f/2.4, (macro) |
| Features | : | LED flash |
| Video | : | 1080p@30fps |
| Single | : | 8 MP, f/2.0, (wide) |
| Video | : | 1080p@30fps |
| Loudspeaker | : | Yes |
| 3.5mm jack | : | Yes |
| WLAN | : | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | : | 5.0, A2DP, LE |
| GPS | : | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| NFC | : | No |
| Radio | : | FM radio |
| USB | : | USB Type-C 2.0, USB On-The-Go |
| Sensors | : | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Type | : | Li-Po 5000 mAh, non-removable |
| Charging | : | Fast charging 18W |