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Launch |
| Announced |
2014, October. Released 2014, October |
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| Status |
Discontinued |
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Network |
| Technology |
GSM |
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| GPRS |
Yes |
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| Edge |
Yes |
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| 2G bands |
GSM 900 / 1800 - SIM 1 & SIM 2 |
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Body |
| Dimensions |
112.2 x 62 x 12 mm (4.42 x 2.44 x 0.47 in) |
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| Weight |
93 g (3.28 oz) |
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| SIM |
Dual SIM (dual stand-by) |
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Display |
| Type |
TFT, 256K colors |
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| Size |
3.5 inches, 36.5 cm2 (~52.4% screen-to-body ratio) |
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| Resolution |
320 x 480 pixels, 3:2 ratio (~165 ppi density) |
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Platform |
| OS |
Firefox OS 1.3 |
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| Chipset |
Spreadtrum 6821 |
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| CPU |
1.0 GHz |
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Memory |
| Card Slot |
microSDHC (dedicated slot) |
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| Internal |
256MB ROM, 128MB RAM |
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Sound |
| Loudspeaker |
Yes |
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| 3.5mm Jack |
Yes |
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Comms |
| WLAN |
Wi-Fi 802.11 b/g/n |
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| Bluetooth |
2.1, A2DP |
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| NFC |
No |
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| Radio |
FM radio |
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| USB |
microUSB 2.0 |
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| Positioning |
No |
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Features |
| Sensors |
Accelerometer |
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MP3/AAC/WAV player
MP4/H.263 player
Photo viewer |
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Battery |
| Stand-by |
Up to 160 h |
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| Talk time |
Up to 7 h |
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| Type |
Li-Ion 1000 mAh, removable |
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Misc |
| Colors |
Bluish Black, Dark Chocolate |
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| Models |
4020D |
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| Price |
About 30 EUR |
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Main Camera |
| Video |
320p |
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| Single |
1.3 MP |
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Selfie camera |
| Single |
VGA, optional/operator dependent |
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