A rubber gasket on the bottom of the Lightning connector protects your iPhone from liquid and dust intrusion. If you are installing a new Lightning connector assembly, you may need to carefully remove and transfer the gasket to the new part.

The small adhesive patch on the bottom of each microphone also protects your iPhone from liquid and dust intrusion. For best results, replace the two adhesive patches before installing your Lightning connector assembly.

Check if your new part comes with an antenna converter cable. If it doesn't, use the pointed end of your spudger to pry up and transfer the cable from your old Lightning assembly to the new one.