Apple iPhone XR Repair Guide
iPhone XR Repair Instructions
LCD/Digitizer Screen Display Replacement
Complete Disassemble & Tear-Down Instructions
There are also excellent how to videos on www.YouTube.com Simply put iPhone glass only replacement or iPhone LCD Digitizer replacement in the search bar and tons of videos pop up.
Written instructions for the outer glass lens replacement can be found at the below link
Outer Glass Lens Screen Replacement
If you are replacing the Outer Glass Lens Only a couple of our most popular instructional video can be found here.
Examples of how to use Adhesive Tape & Glue.
Back Glass ReplacementiPhone XR Rear Back Door Glass Replacement Video Library