I am using this product and I m using from last 2 years phones quality is so good I am tech freak so I change lots of software and roms but this phone does not lags camera quality is little poor except this all things work like charm if anyone ask me which to buy I will always suggest go for xiaomi the sound quality is also good and main thing about phone is that in Rs 7k u get 4G phone in todays world everyone want to use 4G so this phone is supporting 4G sims.