Lost new IPhone

Hi, and welcome to the Apple (user-to-user) Community.

Re: I lost my new device

Can you: Use the Find My app to locate a missing device or item – Apple Support

and you might want to follow the steps in the article below:

What to do: If your iPhone, iPad, or iPod touch is lost or stolen - Apple Support

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Your new phone may be covered by Apple Care ?:

Not sure if there's anything they can do to help:

(You may have the iPhone's serial number on a receipt or packaging.

You could click the link below / enter the serial number to find out what's available

Check Your Service and Support Coverage - Apple Support

One stop for technical support, Apple hardware service, and software support.  

Call Apple Support at 1-800-APLCARE (or use the app)

AppleCare Products - Apple

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Re: "I can't do anything without the Apple ID"

Your Apple ID is generally an eMail address.

(You may have used it to log in here to the Apple Community.)

If you have another Apple device or Mac linked to the Apple ID,

you may be able to access your Apple ID and Apple ID password from that.

(Eg: FaceTime and Messages use the same Log-in details)

More details available in this discussion thread:

Is there anyway to reset apple id passwor… - Apple Community

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RE: "somehow I can retrieve it?"

Apple Support's article:

If you forgot your Apple ID email address or phone number - Apple Support

Or

Enter information to find your Apple ID:

https://iforgot.apple.com/appleid

And

What to do: If you forgot your Apple ID password - Apple Support

How to use account recovery when you can’t reset your Apple ID password

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Apple ID support / help

Apple ID - Official Apple Support

Apple phone numbers around the world

Contact Apple for support and service - Apple Support

All the best :-)

Hi there, I'm truly sorry to hear about your situation, and my sympathies are with you. Unfortunately, you cannot retrieve your Apple device without the Apple ID. I would recommend trying your absolute best to retrace your steps, and try to remember where you last had it. Good luck, feel free to follow up with any questions!