| Secret codes LG K21 |
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| Firmware LG K21 |
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| Screenshot LG K21 |
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OS: Android v9.0 (Pie) CPU: Octa core, 2 GHz, Cortex A53 RAM: 32 GB Display: 5.7 inches (14.48 cm) Battery: Li-ion |
| Hardware and OS LG K21 | |
| Operating System: | Android v9.0 (Pie) |
| Processor: | Octa core, 2 GHz, Cortex A53 |
| Chipset: | MediaTek Helio P22 |
| Architecture: | 64 bit |
| Internal Memory: | 32 GB |
| External memory: | Yes, Up to 1 TB |
| RAM: | 3 GB |
| GPU: | PowerVR GE8320 |
| Display LG K21 | |
| Type: | IPS LCD |
| Size: | 5.7 inches (14.48 cm) |
| Screen format: | 18:9 |
| PPI /points per inch/: | 282 ppi |
| Touchscreen: | Yes, Capacitive Touchscreen, Multi-touch |
| Connectivity LG K21 | |
| 4G Bands: | TD-LTE 2300(band 40), FD-LTE 1800(band 3) |
| Network Support: | 4G, 3G, 2G |
| SIM card: | SIM1: Nano, SIM2: Nano |
| SIM Slot(s): | Dual SIM, GSM GSM |
| Bluetooth: | Yes, v5.0 |
| GPS: | Yes with A-GPS, Glonass |
| USB Connectivity: | Mass storage device, USB charging, microUSB 2.0 |
| VoLTE: | Yes |
| Wi-Fi: | Yes, Wi-Fi 802.11, b/g/n |
| Camera LG K21 | |
| Main camera: | 16 MP, Primary Camera, 2 MP, |
| Camera Setup: | Dual |
| Autofocus: | Yes |
| Camera Features: | Digital Zoom, Auto Flash, Face detection, Touch to focus |
| Flash: | Yes, LED Flash |
| Image Resolution: | 4616 x 3464 Pixels |
| Video Recording: | 1920x1080 @ 30 fps |
| Selfie camera: | 8 MP, Primary Camera, |
| Camera Setup: | Single |
| Video Recording: | 1920x1080 @ 30 fps |
| Multimedia LG K21 | |
| Headphone jack: | 3.5 mm |
| Loudspeaker: | Yes |
| Battery LG K21 | |
| Capacity: | 3200 mAh |
| Type: | Li-ion |
| Removable: | No |
| Quick Charging: | Yes, Fast |
| USB Type-C: | No |
| Other features LG K21 | |
| Fingerprint Sensor: | Yes |
| Fingerprint Sensor Position: | Rear |
| Other Sensors: | Light sensor, Proximity sensor, Accelerometer, Compass |
 | HicQlcj | March 22, 2024 |
| High-quality camera setup, expandable storage up to 1TB, fast processor, long-lasting battery, fingerprint sensor for security, affordable price. | ||
| Reply | ||
| Vjgopy | May 02, 2024 |
| Limited app selection, slow performance, outdated design, small screen size. | ||
| Reply | ||
| Nevicl! | May 04, 2024 |
| Good phone with fast processor, decent camera. | ||
| Reply | ||
