30 minutes - 1 hour
The home button contact on the phone broke a spring contact.
It was laborious and tricky. It took some finesse. Patience was required. I had to take the new one out a couple of times to adjust here and there.
Be gentle. The parts are fragile.
Be patient. Give yourself a couple hours to do it.
Be observant. Look at how the old part was in before replacement.
iPhone 5s/5c/SE Battery Adhesive Strips
iPhone 5c Lightning Connector and Headphone Jack