Hi
If the marks cannot be removed by cleaning your iPhone in accordance with Apple's cleaning instructions and you are concerned about a potential manufacturing defect, then contact Apple Support (mail-in service may be available, if required), make a Genius Bar reservation or visit an Apple Authorised Service Provider with a view to having your iPhone checked and, if recommended, serviced / replaced under warranty:
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If the paint is chipped, acrylic paint from a local craft shop with a small tipped brush is probably the best answer.
No, there is not any issue with paint. It is kind of moisture and i believe it is because of the silicone cover. Kindly suggest.
Q:Spots on Iphone 7 black matte finish
