Redmi 4 is really awesome now currently I am using the same phone in golden colour.The performance if phone is really better the following are pros ans cons about it.
PROS :
Its a budget phone
Camera performance is really awesome
Very good battery life
Has fingerprint sensor
Well designed MIUI 9
Good management of RAM
No E-Wastes
Cool light weight
CONS :
Not good for multitasking
Hybrid slim slot
If we consider its price and specifications the phone is really awesome.It also has google assistent with nougert.The phone unlocks very fast by fingerprint sensor.