Hello fundoggie6,
Welcome to Apple Support Communities.
We understand that you hear a clicking sound when pressing the Home button on your iPhone SE. We are happy to help.
Please try the steps here: If a button or switch isn't working on your iPhone or iPad - Apple Support
"If a button or switch isn't working on your iPhone or iPad, here are a few steps that might fix the issue. If they don't, you'll need to set up a repair.
- Remove any protective films or cases that might block the button or switch.
- Check for debris or dirt around the button or switch and clean with a soft cloth.
- If the button or switch still isn't working, is damaged, or works intermittently, you can set up a repair:
Set up an iPhone repair"
These steps may help. Let us know if you have further questions.
Take care.