Hi freinds iam now iam going to about feedback oppo a 37.very good handset mobile.excellent super performance mobile.iam very like this handset.most function is best condition.2 gb ram and good processor, and good battery back up very easy use mobile.storage internal memory is 16 gb, expandable 128 gb is good thing. in there handset 4g hd voice calls avalble all over india. wow 4G networks with top speeds of up to 150 Mbps and make surfing the web or watching online videos.best model.iam happy with this mobile.best camera quility picture.good cameras pixels photos and videoes.