| Secret codes Oppo K21 |
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| Firmware Oppo K21 |
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| Screenshot Oppo K21 |
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OS: Android v11 CPU: Qualcomm SDM765 Snapdragon 765G (7 nm) RAM: 8 GB Display: 6.4 inches Camera: 48 MP 8 MP 2 MP 2 MP Battery: 4500 mAh |
| Hardware and OS Oppo K21 | |
| Operating system: | Android v11 |
| Processor: | Qualcomm SDM765 Snapdragon 765G (7 nm) |
| RAM: | 8 GB |
| Internal Storage: | 128 GB |
| Display Oppo K21 | |
| Type: | AMOLED |
| Size: | 6.4 inches |
| Resolution: | 1080 x 2400 Pixels |
| Pixel Density: | 411 ppi |
| Touchscreen: | Yes, Capacitive Touchscreen, Multi-touch |
| Connectivity Oppo K21 | |
| Network support: | 5G , 4G , 3G, 2G |
| WI-FI: | Yes, Wi-Fi 802.11, b/g/n |
| Gps: | Yes, with A-GPS, Glonass |
| Bluetooth: | Yes, v5.1 |
| NFC: | Yes |
| Dual SIM: | Dual SIM, GSM GSM |
| SIM size: | SIM1: Nano, SIM2: Nano |
| USB connectivity: | Mass storage device, USB charging |
| Camera Oppo K21 | |
| Main camera: | 48 MP 8 MP 2 MP 2 MP |
| Front camera: | 32 MP |
| Front camera resolution: | 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm |
| Camera features: | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Flash: | Yes, LED Flash |
| Autofocus: | Yes |
| Video recording: | Yes |
| Multimedia Oppo K21 | |
| Loudspeaker: | Yes |
| Design Oppo K21 | |
| Height: | 160.3 mm |
| Width: | 74.3 mm |
| Thickness: | 8 mm |
| Weight: | 180 grams |
| Colours: | Moonlight Black, Pearl White, Blue, Blue, Red |
| Battery Oppo K21 | |
| Capacity: | 4500 mAh |
| Type: | Li-Polymer |
| Other Oppo K21 | |
| Fingerprint sensor: | Yes |
| Fingerprint sensor position: | On-Screen |
| Other sensors: | Accelerometer, Gyro, Proximity, Compass |
| Pax-Gcmuca | March 11, 2024 | |
| Feature phones offer a simple and straightforward user experience with long battery life, durable build, and affordable price point. | ||
| Reply | ||
| Wlxilg | May 10, 2024 | |
| Limited functionality, outdated technology, lack of app compatibility, slower performance. | ||
| Reply | ||
| Dcbacj$ | May 02, 2024 | |
| Great phone with fast processor. Highly recommend. | ||
| Reply | ||