How can I track another phone

Also review the following:

If a friend's device is missing

You can help a friend find their device if it's missing and has Find My [device] turned on:

1. Open the Find My app.
2. Choose the Me tab.
3. Select Help a Friend.
4. Have your friend sign in to iCloud with the Apple ID they're signed in with on their missing device.

Axel F.

Follow the instructions in this guide published by Apple 👉 If your iPhone has been lost or stolen.

Axel F.