“Find My” is not working

With Family Sharing, you can share your location with family members in the Find My app or the Messages app.

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Choose which device to share your location from

1. On the iPhone or iPad that you want to share your location from, open the Settings app.
2. Tap your name.
3. Tap Find My.
4. Tap Use this [device] as My Location.

Share your location with your family - Apple Support (IN)