Never Remove The Glue Inside Phone To Keep The Original Thickness, iPhone XR Back Glass Replacement

How to replace the back glass cover of the phone? These results may be what you expect to achieve: save time and effort, keep the original thickness, no gaps, and the effect is perfect.
We used a laser machine to replace the back cover of the iPhone XR as an example to explain the best method in detail. We do not clean the glue inside the phone body, keep the glue and also you can keep the thickness, which like the original thickness.

Never Never Never remove the glue inside the phone body!!!