| Secret codes Karbonn X21 |
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| Screenshot Karbonn X21 |
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OS: Android v10 CPU: 1.6 GHz, Octa Core Processor RAM: 2 GB Display: 5.45 inches, 1440 x 720 pixels Camera: 8 MP with autofocus Battery: 3000 mAh |
| Hardware and OS Karbonn X21 | |
| Operating System: | Android v10 |
| Processor: | 1.6 GHz, Octa Core Processor |
| Chipset: | Unisoc SC9863 |
| RAM: | 2 GB |
| Internal Memory: | 32 GB |
| Memory Card Slot: | Yes, upto 256 GB |
| Dual Sim: | Yes |
| Sim Size: | Nano Nano SIM |
| Sim Type: | Dual Sim, GSM GSM |
| Display Karbonn X21 | |
| Screen Size: | 5.45 inches, 1440 x 720 pixels |
| Display Type: | Color HD FullView Display |
| Pixel Density: | ~295 PPI |
| Touch Screen: | Yes, with Multitouch |
| Display aspect ratio: | 18:9 |
| Connectivity Karbonn X21 | |
| 3G Network: | Yes |
| 4G Network: | Yes |
| Bluetooth: | Yes, v4.2 |
| EDGE: | Yes |
| GPRS: | Yes |
| GPS: | Yes |
| USB: | Yes, microUSB |
| USB Features: | USB on-the-go, USB Charging |
| VoLTE: | Yes |
| Wifi: | Yes, with wifi-hotspot |
| Camera Karbonn X21 | |
| Main camera: | 8 MP with autofocus |
| Video Recording: | 1080p |
| Flash: | Yes, LED |
| Selfie camera: | 5 MP with LED Flash |
| Features: | Panorama, Burst Mode, Time Lapse, Face Beauty, Night Mode |
| Multimedia Karbonn X21 | |
| Headphone jack: | Yes |
| Email: | Yes |
| FM Radio: | Yes |
| Music: | Yes |
| Video: | Yes |
| Browser: | Yes |
| Java: | No |
| Design Karbonn X21 | |
| Dimensions: | 147.5 x 71.8 x 9.35 mm |
| Weight: | 160 g |
| Battery Karbonn X21 | |
| Battery capacity: | 3000 mAh |
| Type: | Removable Battery |
| Reverse Charging: | Yes |
 | Zab-Bikasa | March 12, 2024 |
| I appreciate the simplicity and reliability of my feature phone. It has a long-lasting battery, clear display, and dual SIM capabilities. | ||
| Reply | ||
| Solivu | May 05, 2024 |
| Limited features, outdated technology, slow performance, small internal storage. | ||
| Reply | ||
| Ccnlzj$ | May 09, 2024 |
| Great phone, fast and reliable OS. | ||
| Reply | ||
