<Tr> <Td> List of iPhone models </Td> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> iPhone 8 and iPhone 8 Plus are smartphones designed, developed, and marketed by Apple Inc . They were announced on September 12, 2017, alongside the higher - end iPhone X, at the Steve Jobs Theater in the Apple Park campus, and were released on September 22, 2017, succeeding iPhone 7 and iPhone 7 Plus . </P>

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