Some iPhone X cases may not fit iPhone XS

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iPhone X apple case
You'll probably have to buy a new case for the iPhone XS.
Photo: Ste Smith/Cult of Mac

iPhone X owners that pre-ordered the new iPhone XS might be in for some disappointment when they try to slap their old case on the new iPhone.

Even though the dimensions of the iPhone XS are practically identical to the iPhone X, it appears that Apple has made a very small change to the camera bump in the back that could make some old cases incompatible.