Sony xperai z1 is an asome phone with high defination I like the features that phone is waterproof and dust proof .n the camere that is of 23 megapixel that gives an amazing clearity of photo n video.n its rom n ram is execellent so that phone run very smoothly n fastest n there is no issue in the phone .i like all features of sony xperia z1. n there is no issue in the phone. when sony xperia z1 was launch n I had buyied that phone within 4 day