Did you buy the mobile phone through informal channels?

If yes, that’s right

If not, please contact the seller

If it prompts this, it means that the phone is black

Usually if there is a problem with the mobile phone and you need to replace it, the serial number of the original mobile phone will be canceled. When you check it, you will be prompted that the serial number has been replaced

By the way, I am posting a reprinted article.

Reposted from Apple*Query*Assistant

Several theories about hacked machines:

1. The theory that profiteers have taken advantage of the motherboard

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For example, a profiteer has an Apple mobile phone with the serial number DNPLK1GSFRC4.

Then the phone was about to expire, so he took away the motherboard of the DNPLK1GSFRC4 machine, installed a broken motherboard, and then said that the phone was broken and took it to the after-sales service for warranty, so that he could exchange it from the after-sales service. Got a brand new official machine.

Apple will then cancel the serial number DNPLK1GSFRC4 in the warranty system database and mark it as the serial number of the replaced product. At this time, the profiteer mobile phone has a brand new official phone and a completely good motherboard of DNPLK1GSFRC4. Then the profiteers will get some parts to assemble the DNPLK1GSFRC4 motherboard into a complete machine and then sell it to you.

So when you query the serial number DNPLK1GSFRC4, the result (sorry, the product with this serial number has been replaced) will appear.

In this way, DNPLK1GSFRC4 becomes a black machine, and there is no warranty for such a machine. Because Apple's after-sales policy is only replacement and not repair, there are profiteers at home and abroad who are doing this to steal motherboards, assemble them, and sell them to make money.