Unsure which version of iOS your iPhone can run? Here’s a quick guide ... This means that Apple has now ended support for the iPhones X, 8 and 8 Plus as it is no longer issuing security updates ...

A previous iPhone, which included the 4.7" iPhone 7 and 5.5" iPhone 7 Plus. Introduced in 2016, iPhones were water resistant for the first time. The line features an enhanced 12 megapixel camera ...