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Here is the comparison of features and specification of the mobile phones BlackBerry Classic Non Camera and Celkon A21.
BlackBerry Classic Non Camera is manufactured by Blackberry and this phone was announced in 2015, February. BlackBerry Classic Non Camera comes with with 3.5 inches and the resolution of the screen is 720 x 720 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900
3G: HSDPA 850 / 900 / 1900 / 2100
4G: LTE 700 / 1700 (Bands 4, 13)
Dipsplay Type: The dispaly type of the BlackBerry Classic Non Camera is Capacitive touchscreen with 16M colors.
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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.
| Specification Summary: BlackBerry Classic Non Camera vs Celkon A21 | ||
| Mobile Device | BlackBerry Classic Non Camera | Celkon A21 |
| Display | 3.5 inches | 4.0 inches |
| Resolution | 720 x 720 pixels | 320 x 480 pixels |
| Processor | Dual-core 1.5 GHz Krait | Quad-core 1.3 GHz Cortex-A7 |
| Primary Camera | 3.15 MP | |
| Front Camera | 1.3 MP | |
| Storage | 16 GB | 512 MB ROM |
| Battery | Non-removable Li-Ion 2500 mAh | Li-Ion 1500 mAh |
| Full Specification comparison of BlackBerry Classic Non Camera vs Celkon A21 | ||
| Mobile Device | BlackBerry Classic Non Camera | Celkon A21 |
Display |
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| Screen Size | 3.5 inches (~41.7% screen-to-body ratio) | 4.0 inches (~57.8% screen-to-body ratio) |
| Screen Resolution | 720 x 720 pixels | 320 x 480 pixels |
| Pixel Density | 720 x 720 pixels (~291 ppi pixel density) | 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | Capacitive touchscreen with 16M colors | Capacitive touchscreen |
| Screen Protection | Corning Gorilla Glass 3 | |
Processor and RAM |
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| Processor | Dual-core 1.5 GHz Krait | Quad-core 1.3 GHz Cortex-A7 |
| Interal Storage | 16 GB, 2 GB RAM | 512 MB ROM, 256 MB RAM |
| External Storage | microSD, up to 128 GB | microSD, up to 32 GB |
OS |
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| OS Details | BlackBerry OS 10.3.1 | Android OS, v4.2.2 (Jelly Bean) |
Display |
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| Display | 3.5 inches (~41.7% screen-to-body ratio) Capacitive touchscreen, 16M colors 720 x 720 pixels (~291 ppi pixel density) |
4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | Capacitive touchscreen, 16M colors | Capacitive touchscreen |
Camera |
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| Main Camera | 3.15 MP | |
| Front Camera | 1.3 MP | |
| Camera Features | ||
Connectivity |
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| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 2100 |
| 4G | LTE 700 / 1700 (Bands 4, 13) | |
| Wi-Fi/connectivity | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | Yes |
| Bluetooth | v4.0, A2DP, EDR, LE | v4.0 |
| GPS | Yes, with A-GPS | No |
| USB | microUSB v2.0 (SlimPort) | Yes |
Multimedia |
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| FM Radio | FM radio | FM radio |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
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| Compass | Yes | |
| Proximity Sensors | Yes | |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | Yes | |
| Barometer Sensor | ||
| Temperature Sensor | ||
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