Celkon A21 Specifications
| Price | |
| Euro | €60 |
Celkon A21 Specifications
| Body | |
| Form Factor | Candybar, Touchscreen |
| Dimensions | 124.8 x 66.1 x 10.8 mm (4.91 x 2.60 x 0.43 in) |
| Weight | 115.3 g (4.06 oz) |
| Colors | Black, Blue, Red |
| Display | |
| Type | TFT |
| Size | 4.0 inches, 47.6 cm2 (~57.8% screen-to-body ratio) |
| Resolution | 320 x 480 pixels, 3:2 ratio (~144 ppi density) |
| Network | |
| Technology | GSM / HSPA |
| 2G Bands | GSM 900 / 1800 SIM 1 & SIM 2 |
| 3G Bands | HSDPA 2100 |
| Notifications | |
| Alert Types | Vibration, MP3, WAV ringtones |
| Memory | |
| Internal Memory | 512MB ROM, 256MB RAM |
| Card Slot | microSDHC |
| Connectivity | |
| GPRS | Yes |
| EDGE | Yes |
| Speed | HSPA |
| WLAN | Wi-Fi 802.11 b/g/n |
| Bluetooth | 4.0, A2DP |
| USB | microUSB |
| GPS | No |
| NFC | No |
| Camera | |
| Main Camera | 3.15 MP |
| Video | Yes |
| Selfie Camera | 1.3 MP |
| Multimedia | |
| Audio Format Support | MP3/WAV/eAAC |
| Video Format Support | MP4/H.264 |
| Radio | FM radio |
| Software | |
| Operating System (OS) | Android OS, v4.2.2 (Jelly Bean) |
| Browser | HTML |
| Messaging | SMS(threaded view), MMS, Email |
| Hardware | |
| Chipset | Mediatek MT6582 (28 nm) |
| CPU | Quad-core 1.3 GHz Cortex-A7 |
| GPU | Mali-400MP2 |
| Sensors | Accelerometer |
| SIM | Dual SIM (Dual stand-by) |
| Speakers | Yes |
| Audio Jack | 3.5 mm |
| Battery | |
| Battery Type | Li-Ion 1500 mAh battery |
| Standby | Up to 120 h (3G) |
| Talk Time | Up to 8 h (3G) |
| Misc | |
| SAR EU | 0.99 W/kg (head) 1.39 W/kg (body) |
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