Remove the screen.

If you replaced your screen, check the front-facing camera hole and the sensor cutout on your replacement screen, and remove any remaining liners.

Check the frame for deformed grounding springs that stick straight up. These spring contacts should rise at a shallow angle. Use your finger to gently bend any deformed springs downward.

This is a good point to test your phone before sealing it up. Temporarily connect your screen, power on your phone, and make sure it works as expected. Before continuing with reassembly, power off your phone and disconnect the screen.

Follow this guide if you're using custom-cut adhesives for your device. Otherwise, follow this guide in case you're using a pre-cut adhesive card.

If you're installing a new screen, follow this guide to calibrate the fingerprint sensor.