During reassembly, before installing a screen, remove any remaining adhesive from the frame, and clean the glued areas with high-strength (>90%) isopropyl alcohol and a lint-free cloth. This helps prep the iPad for fresh adhesive and ensures that it will bond properly.

If you plan to reinstall your existing screen, remove any remaining adhesive from the back and clean the adhered areas with isopropyl alcohol.

Follow this guide to install pre-cut adhesive strips on your iPad before sealing it up.