Smart locks from brands like Kwikset can go wrong, but there's thankfully a way of resetting them back to factory settings and changing the code. Here's how.

If you're looking to buy a smart lock, start here. Our smart lock buying guide will help you find the best smart lock for your front door.

Lay the key on a sticky note or piece of paper. Write the door the key unlocks on the paper. Take a picture of the key on the label. You can create a photo album on your phone with all the pictures, ...