https://www.theverge.com/circuitbreaker/2018/9/5/17824034/iphone-xs-max-6-5-inch-model-name-rumor-apple

It’s been rumored for a while that Apple would be releasing two new OLED iPhone successors to the iPhone X this year — an upgraded 5.8-inch model, said to be called the iPhone XS, and a larger 6.5-inch version that is reportedly going to be called the “iPhone XS Max,” according to multiple sources speaking to 9to5Mac.