| Batdescription1 | Li-Ion 1500 mAh battery |
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| Batsize Hl | 1500 |
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| Batstandby1 | Up to 120 h (3G) |
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| Battalktime1 | Up to 8 h (3G) |
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| Battype Hl | Li-Ion |
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| Bluetooth | 4.0, A2DP |
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| Body Hl | 115.3g, 10.8mm thickness |
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| Cam1modules | 3.15 MP |
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| Cam1video | Yes |
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| Cam2modules | 1.3 MP |
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| Cam2video | |
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| Camerapixels Hl | 3 |
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| Chipset | Mediatek MT6582 (28 nm) |
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| Chipset Hl | MT6582 |
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| Colors | Black, Blue, Red |
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| Cpu | Quad-core 1.3 GHz Cortex-A7 |
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| Dimensions | 124.8 x 66.1 x 10.8 mm (4.91 x 2.60 x 0.43 in) |
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| Displayres Hl | 320x480 pixels |
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| Displayresolution | 320 x 480 pixels, 3:2 ratio (~144 ppi density) |
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| Displaysize | 4.0 inches, 47.6 cm2 (~57.8% screen-to-body ratio) |
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| Displaysize Hl | 4.0" |
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| Displaytype | Capacitive touchscreen |
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| Gps | No |
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| Gpu | Mali-400MP2 |
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| Internalmemory | 512MB 256MB RAM |
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| Memoryslot | microSD, up to 32 GB |
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| Modelname | Celkon A21 |
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| Net2g | GSM 900 / 1800 - SIM 1 & SIM 2 |
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| Net3g | HSDPA 2100 |
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| Nettech | GSM / HSPA |
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| Os | Android 4.2.2 (Jelly Bean) |
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| Os Hl | Android 4.2.2 |
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| Price | About 60 EUR |
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| Radio | FM radio |
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| Ramsize Hl | 256 |
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| Released Hl | Released 2014 |
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| Sar Eu | 0.99 W/kg (head) 1.39 W/kg (body) |
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| Sensors | Accelerometer |
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| Sim | Dual SIM (Dual stand-by) |
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| Speed | HSPA |
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| Status | Available. Released 2014 |
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| Storage Hl | 512MB 256MB RAM storage, microSD slot |
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| Usb | microUSB |
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| Videopixels Hl | Video recorder |
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| Weight | 115.3 g (4.06 oz) |
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| Wlan | Wi-Fi 802.11 b/g/n |
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| Year | 2014 |
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