How to replace only glass part of screen panel?

@mrmcfeffers a one time glass only repair is anything but cheap. You'll spend more money on just the tools and consumable then a new display assembly would cost. Since you also have never done one, you would need more pieces since this would not be an easy repair. You potentially could get it cheaper but those will be regular LCd screens and not the AMOLED that your phone has. Places like this are always good for low to mediocre quality for the screens. As for the actual physical replacement, you'd have to use the 8T and then progess slowly to compensate for any differences between those two models OnePlus 8T Screen Replacement