3.7% more mAH battery than OptimaSmart OPS-41A. More battery capacity reduces the need to charge your battery again. (1400 mAH, Li-ion vs. 1350 mAH, Li-ion)
14.3% 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. (4.0 Inch vs. 3.5 Inch)
14.6% Higher pixel density than OptimaSmart OPS-41A. High pixel density shows sharper text and extremely detailed photos and videos. (165 ppi vs. 144 ppi)
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