| Secret codes Karbonn A21 Plus |
| Root Karbonn A21 Plus |
| Unlock Karbonn A21 Plus |
| Firmware Karbonn A21 Plus |
| Developer Mode Karbonn A21 Plus |
| Bypass Lock Screen Karbonn A21 Plus |
| Remove a Google account Karbonn A21 Plus |
| Karbonn A21 Plus Factory Reset |
| Screenshot Karbonn A21 Plus |
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OS: Android v4.2 (Jelly Bean) CPU: Dual core, 1 GHz RAM: 4 GB Display: 5 inches (12.7 cm) Battery: Li-ion |
| Hardware and OS Karbonn A21 Plus | |
| Operating System: | Android v4.2 (Jelly Bean) |
| Processor: | Dual core, 1 GHz |
| Internal Memory: | 4 GB |
| External memory: | Yes, Up to 32 GB |
| RAM: | 512 MB |
| Display Karbonn A21 Plus | |
| Type: | TFT |
| Size: | 5 inches (12.7 cm) |
| PPI /points per inch/: | 196 ppi |
| Touchscreen: | Yes, Capacitive Touchscreen, Multi-touch |
| Connectivity Karbonn A21 Plus | |
| 3G Bands: | UMTS 2100 MHz |
| Network Support: | 3G, 2G |
| SIM Slot(s): | Dual SIM, GSM GSM |
| Bluetooth: | Yes |
| Wi-Fi: | Yes, Wi-Fi 802.11, b/g/n |
| Camera Karbonn A21 Plus | |
| Main camera: | 5 MP, Primary Camera, |
| Camera Setup: | Single |
| Autofocus: | Yes |
| Camera Features: | Digital Zoom |
| Flash: | Yes, LED Flash |
| Image Resolution: | 2592 x 1944 Pixels |
| Selfie camera: | 0.3 MP, Primary Camera, |
| Camera Setup: | Single |
| Multimedia Karbonn A21 Plus | |
| Headphone jack: | 3.5 mm |
| FM Radio: | Yes |
| Loudspeaker: | Yes |
| Design Karbonn A21 Plus | |
| Colours: | Black, White |
| Width: | 60.5 mm |
| Height: | 112 mm |
| Thickness: | 11.5 mm |
| Weight: | 104 grams |
| Battery Karbonn A21 Plus | |
| Capacity: | 2000 mAh |
| Type: | Li-ion |
| Other features Karbonn A21 Plus | |
| Other Sensors: | Light sensor, Proximity sensor, Accelerometer |
 | Pac-Polisa | March 28, 2024 |
| Feature phones have a simpler interface, longer battery life, durable build, and are often more affordable than smartphones. | ||
| Reply | ||
| Vocizs | May 05, 2024 |
| Limited internal memory, low RAM, outdated operating system, poor camera quality. | ||
| Reply | ||
| Sonacad | May 05, 2024 |
| Decent phone for basic use. | ||
| Reply | ||
