3.3% more mAH battery than Zen Ultrafone 503 3G. More battery capacity reduces the need to charge your battery again. (1550 mAH, Li-ion vs. 1500 mAH, Li-ion)
60.0% more mega pixels (MP) on main camera than Zen Ultrafone 503 3G. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (3.2 MP vs. 2 MP)
30.0 grams Lighter than Zen Ultrafone 503 3G. light weight phone is easy to hold and can kept in your pocket for long time. (100 grams vs. 130 grams)
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