My phone display touch not working

@chinu most likely would be a failed digitizer. It is fused with the rest of the display assembly. Since iFixit does not yet have a guide for this, Use something like this video Replacement display are still available at many online stores. Purchase form a vendor that appeals to you.

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.

Repair is War on Entropy!