15.4% more mAH battery than Zen Ultrafone 503 3G. More battery capacity reduces the need to charge your battery again. (1500 mAH, Li-ion vs. 1300 mAH, Li-ion)
56.3% 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. (5 MP vs. 3.2 MP)
53.8% more mega pixels (MP) on front camera than Zen Ultrafone 503 3G. More front camera resolution means better selfies picture. Front facing cameras also used for video call on Skype (2 MP vs. 1.3 MP)
1,500.0% More RAM memory than Zen Ultrafone 503 3G. more RAM makes your mobile significantly faster and efficient. (4 GB vs. 256 MB)
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