Celkon A21 is manufactured by Celkon and this phone was announced in 2014. Celkon A21 comes with with 4.0 inches and the resolution of the screen is 320 x 480 pixels.
This phone supports following network:
2G: GSM 900 / 1800 - SIM 1 & SIM 2
3G: HSDPA 2100
Dipsplay Type: The dispaly type of the Celkon A21 is Capacitive touchscreen.
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| Specification Summary of Celkon A21 | |
| Display | 4.0 inches |
| Resolution | 320 x 480 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 |
| Primary Camera | 3.15 MP |
| Front Camera | 1.3 MP |
| Storage | 512 MB ROM |
| Battery | Li-Ion 1500 mAh |
| Colors | Black, Blue, Red |
Full Specification of Celkon A21 |
|
Display |
|
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels |
| Pixel Density | 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | Capacitive touchscreen |
| Screen Protection | |
Processor and RAM |
|
| Processor | Quad-core 1.3 GHz Cortex-A7 |
| Interal Storage | 512 MB ROM, 256 MB RAM |
| External Storage | microSD, up to 32 GB |
OS |
|
| OS Details | Android OS, v4.2.2 (Jelly Bean) |
Display |
|
| Display | 4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | Capacitive touchscreen |
Camera |
|
| Main Camera | 3.15 MP |
| Front Camera | 1.3 MP |
| Camera Features | |
Connectivity |
|
| GPRS | Yes |
| EDGE | Yes |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G | HSDPA 2100 |
| 4G | |
| Wi-Fi/connectivity | Yes |
| Bluetooth | v4.0 |
| GPS | No |
| USB | Yes |
Multimedia |
|
| FM Radio | FM radio |
| Loudspeaker | |
| Audio Jack | Yes |
Other Features |
|
| Compass | |
| Proximity Sensors | |
| Accelerometer | Yes |
| Ambient Sensor | |
| Gyroscope Sensor | |
| Barometer Sensor | |
| Temperature Sensor | |
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