Use the information in this document to check your Apple ID device list to find where you're signed in --> Check your Apple Account device list to find where you’re signed in - Apple Support
- Learn which devices appear in your Apple ID device list, how to find your device's details (including if it's a trusted device), and how to remove a device.
- Special section at the end on how to "Permanently remove a device from your account page"
You may need to temporarily rename one of them so you can tell them apart if it is not otherwise obvious.
To change the name of your iPhone, iPad, or iPod touch, follow these steps:
On your device, go to:
1. Settings > General > About > Name
2. Tap the Clear Text button (X), enter a new name, then tap Done
If this is happening in Safari, check your autofill settings.
From:
Change the name of your iPhone --> Change the name of your iPhone - Apple Support
Change the name of your iPad --> Change the name of your iPad - Apple Support