| Hardware and OS vivo Y21s |
| Operating system: | Android 11, Funtouch 11.1 |
| Processor: | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) |
| Chipset: | Mediatek MT6769V/CU Helio G80 (12 nm) |
| Internal memory: | 128GB 4GB RAM, 128GB 6GB RAM |
| External memory: | microSDXC (dedicated slot) |
| GPU: | Mali-G52 MC2 |
| Display vivo Y21s |
| Size: | 6.51 inches, 102.3 cm2 |
| Resolution: | 720 x 1600 pixels, 20:9 ratio |
| Type: | IPS LCD |
| Main Camera vivo Y21s |
| Camera: | 50 MP, f/1.8, 24mm (wide), PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth) |
| Features: | LED flash |
| Video: | 1080p@30fps |
| Selfie camera vivo Y21s |
| Camera: | 8 MP, f/2.0, (wide) |
| Features: | HDR |
| Video: | 1080p@30fps |
| Connectivity vivo Y21s |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network: | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network: | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41, 66 |
| Bluetooth: | 5.0, A2DP, LE |
| CDMA: | HSDPA 850 / 900 / 2100 |
| CDMA: | 1, 3, 5, 8, 40 |
| GPS: | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| NFC: | Yes (market/region dependent) |
| Speed: | HSPA 42.2/5.76 Mbps, LTE |
| Technology: | GSM / HSPA / LTE |
| USB: | USB Type-C 2.0, USB On-The-Go |
| WLAN: | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Multimedia vivo Y21s |
| 3.5 mm Jack: | Yes |
| Loudspeaker: | Yes |
| Radio: | FM radio |
| Battery vivo Y21s |
| Type: | Li-Po 5000 mAh, non-removable |
| Charging: | Fast charging 18W
Reverse charging |
| Design vivo Y21s |
| Colors: | Midnight Blue, Pearl White |
| Dimensions: | 164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in) |
| Weight: | 182 g (6.42 oz) |
| SIM: | Dual SIM (Nano-SIM, dual stand-by) |
| Features vivo Y21s |
| Sensors: | Fingerprint (side-mounted), accelerometer, proximity, compass |
