My iPhone is not accepting my Apple ID.

hye274 Said:

"Hi. My phon is not accepting my apple id. But all other phons are accepting as i im using another device to talk you : My phon is stuck on Hello. My id is not working on my apple iPhone xS"

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Thank you for the screenshot

Troubleshooting "Locked to Owner":

Is this a Used iPhone?

Request a Refund:

Seems you've been scammed, though a full assumption on my part. So, ask this person for a refund. This is the site they should have used: What to do Before you Sell, Give Away, or Trade in your iPhone, iPad, or iPod touch - Apple Support. The seller should have known better.

Learn from This:

Next time you go about purchasing a device from someone, request that they let you log into your own iCloud account on it, prior to handing over the money. If they decide to disabled by those rules you've set forth, then do not proceed with the transaction.

What is the full error you get when trying to sign in?

Does that email hint match the Apple ID you use or Did you buy this iPhone from someone else?

No. The 5 stars do not represent the number of characters in your Apple ID.