Top 1 Reasons for MTS Duet 2 Compared to Zen Ultrafone 503 3G 10.0% more mAH battery than Zen Ultrafone 503 3G. More battery capacity reduces the need to charge your battery again. (1650 mAH, Li-ion vs. 1500 mAH, Li-ion) |
Top 1 Reasons for Zen Ultrafone 503 3G Compared to MTS Duet 2 61.8% Higher pixel density than Zen Ultrafone 503 3G. High pixel density shows sharper text and extremely detailed photos and videos. (233 ppi vs. 144 ppi) |