Xiaomi mi4 is the best phone of the xiaomi company.
The phone come with good build quality and good design.
It is easy to use in one hand due to its compact size and chamfer edge feels great in hand.
The 1080p diaplay is great with contrast ratio.The camera both rear and front are capable of taking good picture in all lightning condition.The phone dosen't come with expandable memory.It was having powerful Snapdragon procrssor.