25.0% more mAH battery than Zen Ultrafone 504. More battery capacity reduces the need to charge your battery again. (2500 mAH, Li-ion vs. 2000 mAH, Li-ion)
60.0% more mega pixels (MP) on main camera than Zen Ultrafone 504. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (8 MP vs. 5 MP)
53.8% more mega pixels (MP) on front camera than Zen Ultrafone 504. More front camera resolution means better selfies picture. Front facing cameras also used for video call on Skype (2 MP vs. 1.3 MP)
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