If you need to give a friend or partner your old AirTag and let them set it up as their own, do it when you’re with them. When you’re there, and most important when the AirTag is within Bluetooth range of your iPhone, it’s a simple job of unpairing the two.
You have to open up an AirTags and reset if it’s been used and the previous owner didn’t unpair while in Bluetooth range. Here’s how to do it.
Get used to seeing the inside of your AirTag if you need to reset it