| Prices | Price (USD) | USD $130.00 USD |
|---|---|---|
| Network | Technology |
GSM / HSPA
|
| Launch | Announced | 2012 |
| Status | Discontinued | |
| Body | Dimensions | - |
| Weight | - | |
| SIM | Dual SIM (Mini-SIM) | |
| Display | Type | TFT, 256K colors |
| Size | 4.5 inches, 57.6 cm2 | |
| Resolution | 480 x 800 pixels, 5:3 ratio (~207 ppi density) | |
| Platform | OS | Android 4.0 (Ice Cream Sandwich) |
| CPU | Dual-core 1.2 GHz | |
| Memory | Card slot | microSDHC (dedicated slot) |
| Internal | 4GB 512MB RAM | |
| Main Camera | Single | 5 MP, AF |
| Features | LED flash | |
| Video | Yes | |
| Selfie camera | Single | 1.3 MP |
| Features | No | |
| Sound | Loudspeaker | Yes |
| 3.5mm jack | Yes | |
| Comms | WLAN | Wi-Fi 802.11 b/g/n |
| Bluetooth | 2.1, A2DP | |
| Positioning | GPS | |
| NFC | No | |
| Radio | No | |
| USB | microUSB 2.0 | |
| Features | Sensors | Accelerometer, proximity |
| Battery | Type | Li-Ion 1800 mAh, removable |
| Stand-by | Up to 200 h | |
| Talk time | Up to 5 h | |
| Misc | Colors | Pearl White |
| SAR EU | 0.44 W/kg (head) | |
| Price | About 130 EUR |
Mini Review & Verdict
A smart summary of the Karbonn A21
Advantages
- Convenient 3.5mm analog headphone port for zero-latency wired audio
Disadvantages
- Network capability is capped at 4G LTE speeds without native 5G bands
In real-world daily practice, the Karbonn A21 immediately distinguishes itself through balanced ergonomics, tactile button feedback, and approachable pocketability within Karbonn's mobile lineup. The front panel features a vibrant responsive IPS LCD measuring 4.5 inches , ensuring that reading articles, streaming media, and navigating social feeds remain fluid, vibrant, and remarkably gentle on the eyes.
Everyday software responsiveness is driven by the capable Dedicated Multi-core Processor. Routine app launches, web browsing sessions, and casual gaming are handled with dependable stability and efficient thermal behavior. For photography enthusiasts, the main camera setup—centered on a 5MP primary sensor—proves ready to document daily memories with lively color science, snappy shutter response, and commendable sharpness.
Power autonomy is reliably anchored by a 1800mAh battery unit, backed by standard charging speeds to comfortably see users through from morning commutes to late evening unwinding. In essence, the Karbonn A21 strikes a sensible, well-rounded balance that nails fundamental smartphone essentials without unnecessary operational complexity.
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