55.6% more mAH battery than Maxx MX503. More battery capacity reduces the need to charge your battery again. (1400 mAH, Li-ion vs. 900 mAH, Li-ion)
11.1% bigger screen size than Maxx MX503. The bigger the screen size is better the user experience of reading and watching movie or video songs. (2 vs. 1.8 Inch)
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