This is under the banner of Xiaomi where its stated that this is a budget friendly giant in terms of money and quality but the built quality is so awful. The polycarbonate back is attracting so many scratches minor and major. If you use it without any back cover the back is getting into worsen condition.
Company has claimed that it comes with Gorilla 5 glasses but very soon if you put your nails on the screen its going to give you the scratches on the screen in not time, which is a question mark on the quality of glasses.
After the use of 3 months somehow back panels PVC type material from the corner of the camera peeled off and now the some sort of sluggish material is visible. Is this a good built quality though I use this mobile with a silicon back cover all the time.
Now, If I come to the processor part then I can say that I could have far more better option than this like Real me 3i where in almost same price Mediatek Helio P60 is coming, which is far better than Qualcomm snapdragon 439 in terms of Speed. Lots of time you can feel the heat of the mobile after playing medium resolutions games about 25-30 minutes.
The software MIUI which contains AD which is not suitable for small children, Parents and school goers as these ADs contains adult content. If you just swipe up the screen the MI browser open ups with lots of adult content and news, which is not recommended for every users.
In the same price range we can go for Vivo U10, Real me 3i.
Disclaimer: This is my personal opinion regarding this phone.