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Blackberry 9720 runs on BlackBerry OS 7.1, and features: a 2.8 inch display with 480 x 360 pixels, HSPA, Wi-Fi 802.11 b/g/n, GPS, dedicated BBM key, 5MP rear camera, 806 MHz processor,
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![Goodbye Blackberry [OS] Very important. - YouTube](https://i.ytimg.com/vi/YkKuFX-hLTs/maxresdefault.jpg "Goodbye Blackberry [OS] Very important. - YouTube")
Goodbye Blackberry [OS] Very important. - YouTube
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