Top 2 Reasons for G-Fone 571 Compared to G-Zone 2690 6.3% more mAH battery than G-Fone 571. More battery capacity reduces the need to charge your battery again. (850 mAH, Li-ion vs. 800 mAH, Li-ion) 22.2% bigger screen size than G-Fone 571. The bigger the screen size is better the user experience of reading and watching movie or video songs. (2.2 Inch vs. 1.8 Inch) |