Here is the comparison of features and specification of the mobile phones Celkon A21 and Unnecto Drone.
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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Unnecto Drone is manufactured by NEC and this phone was announced in 2012, February. Unnecto Drone comes with with 3.2 inches 3.20 and the resolution of the screen is 240 x 400 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Dipsplay Type: The dispaly type of the Unnecto Drone is TFT resistive touchscreen.
| Specification Summary: Celkon A21 vs Unnecto Drone | ||
| Mobile Device | Celkon A21 | Unnecto Drone |
| Display | 4.0 inches | 3.2 inches 3.20 |
| Resolution | 320 x 480 pixels | 240 x 400 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 | |
| Primary Camera | 3.15 MP | 2 MP |
| Front Camera | 1.3 MP | VGA |
| Storage | 512 MB ROM | 4 GB |
| Battery | Li-Ion 1500 mAh | Li-Ion 800 mAh |
| Full Specification comparison of Celkon A21 vs Unnecto Drone | ||
| Mobile Device | Celkon A21 | Unnecto Drone |
Display |
||
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) | 3.2 inches, 3.20 (~50.4% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels | 240 x 400 pixels |
| Pixel Density | 320 x 480 pixels (~144 ppi pixel density) | 240 x 400 pixels (~146 ppi pixel density) |
| Display Type | Capacitive touchscreen | TFT resistive touchscreen |
| Screen Protection | ||
Processor and RAM |
||
| Processor | Quad-core 1.3 GHz Cortex-A7 | |
| Interal Storage | 512 MB ROM, 256 MB RAM | 4 GB, 2 GB RAM |
| External Storage | microSD, up to 32 GB | microSD, up to 32 GB |
OS |
||
| OS Details | Android OS, v4.2.2 (Jelly Bean) | Android OS, v2.2 (Froyo) |
Display |
||
| Display | 4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
3.2 inches, 3.20 (~50.4% screen-to-body ratio) TFT resistive touchscreen 240 x 400 pixels (~146 ppi pixel density) |
| Display Type | Capacitive touchscreen | TFT resistive touchscreen |
Camera |
||
| Main Camera | 3.15 MP | 2 MP, 1600 x 1200 pixels, LED flash |
| Front Camera | 1.3 MP | VGA |
| Camera Features | ||
Connectivity |
||
| GPRS | Yes | Class 12 |
| EDGE | Yes | Yes |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G | HSDPA 2100 | |
| 4G | ||
| Wi-Fi/connectivity | Yes | Yes |
| Bluetooth | v4.0 | v2.1, A2DP, EDR |
| GPS | No | No |
| USB | Yes | microUSB |
Multimedia |
||
| FM Radio | FM radio | FM radio |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | ||
| Proximity Sensors | ||
| Accelerometer | Yes | |
| Ambient Sensor | ||
| Gyroscope Sensor | ||
| Barometer Sensor | ||
| Temperature Sensor | ||
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