I want to change the name of my devices. How do I do that?

Change the name of your iPhone, iPad, or iPod - To change the name of your iPhone, iPad, or iPod touch, follow these steps: On your iOS device, go to Settings > General > About. Tap the first line, which shows the name of your device. Rename your device, then tap Done. https://support.apple.com/HT201997

Settings>General>About>Name.

EDT- My apologies for posting the same thing. The response from Limnos was not visible until I posted.