333.3% more mega pixels (MP) on main camera than OptimaSmart OPS-41A. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (1.3 MP vs. 0.3 MP)
97.7% bigger screen size than OptimaSmart OPS-41A. The bigger the screen size is better the user experience of reading and watching movie or video songs. (3.5 Inch vs. 1.77 Inch)
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