Apple will launch three new iPhone models in 2018.

Apple reportedly preparing three new iPhone models for 2018, All with OLED displays. Once the iPhone 8 debuts this fall, attention will naturally start to turn the 2018 iPhone lineup.  
It is well known that Apple begins designing iPhones many years ahead, which means preparations
 for the model after the 2017 iPhones are already underway. There’s always a new iPhone around the corner. Apple begins planning new iPhone designs years ahead but the company is known to change its mind on various decisions as it nears release. 

According to information from Nikkei today, Apple is currently looking to launch three new iPhones in 2018, All featuring OLED displays. Given how far out we are, treat this news with a healthy dose of skepticism as plans are likely to be tweaked/changed.