hello after reading all the comments I am very reluctant to buy this product may purchase .after I really regret quality and low price really great 4G works very well and very fast at the beginning 3 days FIRST battery discharge pretty quickly I was afraid it may be just right to let this good battery discharge max !!!!! at least 3 FOIX AND WELL AFTER THE CHARGING THE BATTERY AND NORMAL CA now she normally discharge I'm really count my purchase !!!! Cheap and good battery fast 4G smartphone as a great brand