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serial number changed

  1. J

    2019 MacBook Pro is one letter off on serial number

    I just bought a MBP 2019 15 inch used and the serial number on the back is different than About this Mac by only the final letter. Any insight on why? Computer seems to be completely functional.
  2. Intelligent301

    iPhone X This is a serial number for a product that has been replaced?

    Recently I had purchased the iPhone X through online. At first I reset that iPhone to check whether it is linked to previous owner or not and it wasn't linked. So I take that phone by giving him his said amount. After that I came home and checked other settings and I found that sim was locked...
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