Any other devices signed in to the same ‌Apple ID‌ should display the following popup notification on their screens if you set up a new Apple device, erase and re-install the operating system on a device you already own, and then sign back into your ‌Apple ID‌: “

On your Apple ID account page, go to Sign In.If you can’t sign in or if you get a notification that your account has been locked when you attempt to do so, try resetting it or unlocking it.Change your Apple ID password and choose a complex one-character password.Examine all of the personal and security data in your

Go to appleid.apple.com and log in to your Apple ID. Check the Devices area for details. Look at the Details section for a list of all of your Apple IDs’ devices.

Step 1: Log in to the Apple ID account management portal. Step 2: Tap or click Remove From Account under the Devices section for the device you want to erase.

To remove a device from your Apple ID, go to appleid.apple.com and sign in. Then choose “Devices” from the drop-down menu at the top of the screen. Read through all of the information about the device, then choose “Delete from the account.” After that, click Allow if you want to keep using it.