This mobile phone is Xiaome MI 5 with a android version version of 6.1 marshmello with a stable version of miui 8 and above. He has 3 gb ram with a storage of 32 gb. He has avilable in 3 colours are like white black gold. He has a feature of power charger inbuilt. But problem is in this phone was that he is non-remoable battery called li-on battery if the battery got damaged soon what was the option avilable for customer. And the second one is there is a no chance to upgrade your storage. If the customer needs high storage than what tjey do. And one more problem is that card slot is not suitable for indian customers as well as any other customers because if any customer used 2 sim card and 1 memory card what will he do.?