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What makes Karbonn A2 unique?

Here are 4 unique features & highlights of Karbonn A2 :
1 The best1 Android GingerBread phone priced around Rs. 6,000
2 The #2 Android GingerBread Karbonn phone
3 The #3 lightest 4 Inch phone priced around Rs. 6,000
4 The #3 thinnest Android GingerBread Karbonn phone
1 based on 91score