How to recover my deleted Apple ID?
How to recover my deleted Apple ID? That Apple ID still connect with my device
I can’t sign in to device
If the ID has been deleted, you can't recover the ID. From the article below.
Make sure that you sign out of all your devices to avoid issues with apps that use your Apple ID account or iCloud. After your account is deleted, you can't sign out of iCloud or turn off Find My iPhone Activation Lock on your devices. If you forget to sign out, you might not be able to use your device when your account is deleted.
How to delete your Apple ID account.