I like zinny from asus. Mere pass asus ka zenfone 2 laser ze550kl model hai. Very good samrtphone, this phone using very fast and not hang in this device and battery very well perormed.because battery charging is too slow. Almost this device is really good in anriod mobile. Camea very nice pixelmaater camer nightmod , low light mod and auto focus very good , supported tow sim as 4g in lollypop5.1.1 this phone big trick best other phones downlond the lateat firmware from the asua website and try to reinstall by manually via recovery mode .