30.4% more mAH battery than OptimaSmart OPS-51D. More battery capacity reduces the need to charge your battery again. (1500 mAH, Li-Po vs. 1150 mAH, Li-ion)
966.7% more mega pixels (MP) on main camera than OptimaSmart OPS-51D. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (3.2 MP vs. 0.3 MP)
0.4 mm Thinner than OptimaSmart OPS-51D. Slim mobile phone is easy to handle and looks gorgeous in hand. (124 x 63.5 x 10.5 mm vs. 127.2 x 68.2 x 10.9 mm)
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