| Secret codes Karbonn A4 |
| Hard reset Karbonn A4 |
| Root Karbonn A4 |
| Unlock Karbonn A4 |
| Firmware Karbonn A4 |
| Developer Mode Karbonn A4 |
| Bypass Lock Screen Karbonn A4 |
| Remove a Google account Karbonn A4 |
| Karbonn A4 Factory Reset |
| Screenshot Karbonn A4 |
|
OS: Android 2.3.6 (Gingerbread) Display: 4" inc Camera: 3.15 MP,
Single |
| Hardware and OS Karbonn A4 | |
| Operating system: | Android 2.3.6 (Gingerbread) |
| Internal memory: | 256 MB, 512 MB |
| External memory: | microSD, up to 32 GB (dedicated slot) |
| Display Karbonn A4 | |
| Type: | TFT |
| Size: | 4" inc |
| Resolution: | 320 x 480 px |
| Touchscreen: | capacitive touchscreen |
| Screen-to-Body Ratio: | 57.8% |
| Display area: | 47.6 cm2 |
| Display aspect ratio: | 3:2 (height:width) |
| Pixel Density: | 144 PPI |
| Colors: | 256K |
| Connectivity Karbonn A4 | |
| 2G Network: | GSM 850 / 1900 - SIM 1 & SIM 2 |
| Wi-Fi: | Wi-Fi 802.11 b/g/n, hotspot |
| Network: | GSM / HSPA |
| SIM card: | Dual SIM (Mini-SIM) |
| Bluetooth: | Yes |
| Edge: | Yes |
| GPRS: | Yes |
| GPS: | No |
| Speed: | HSPA |
| USB: | Proprietary |
| Camera Karbonn A4 | |
| Main camera: | 3.15 MP, Single |
| Specs: | 3.15 MP |
| Video: | Yes |
| Selfie camera: | 0.3 MP, Single |
| Multimedia Karbonn A4 | |
| 3.5 mm Jack: | Yes |
| Radio: | FM radio |
| Design Karbonn A4 | |
| Colors: | White/Black |
| Dimensions: | 124.8 x 66 x 9.5 mm |
| Weight: | 75 g |
| Battery Karbonn A4 | |
| Battery capacity: | 1400 mAh, Li-Ion |
| Battery life: | Stand by time- Up to 250 h Talking time- Up to 4 h 20 min |
| Other Karbonn A4 | |
| Release date: | 2013, March |
| Sensors: | Accelerometer |
 | Lunclan | March 28, 2024 |
| Feature phones have long battery life, are lightweight, have dual SIM capability, FM radio, and physical buttons for easier typing. | ||
| Reply | ||
| Wyp-Lywaxc | May 11, 2024 |
| Outdated operating system, low internal memory, poor camera quality. | ||
| Reply | ||
| DanSjwa | May 11, 2024 |
| Outdated operating system, limited internal memory. | ||
| Reply | ||
