My phone display broken

@redmi6a79839 let's assume that this is for a Redmi 6A. In that case I have to tell you the iFixit does not yet have a guide for that. So for this you can use the guide from here Let your web browser do the translation for you.

You will need a screen replacement which you can purchase at many online places [ Redmi 6A |like this]While you work on your phone, take lots of pictures. Once you are done with it, take those pictures and create a guide for iFixit. That will help the next person that has the same problem as you do. It's easy and fun to create these guides. https://ifixit.com/Guide/new The iFixit community will appreciate this.