https://www.techradar.com/news/you-might-not-be-able-to-buy-the-dual-sim-61-inch-lcd-iphone

Dual-SIM phones are hugely popular in Asia, and there's been some speculation that Apple is going to include dual-SIM support in one of its 2018 iPhones – the cheaper 6.1-inch model that will have an LCD rather than an OLED screen, to be exact.

Now a new report from Taiwan says the dual-SIM iPhone is real, but it's going to be a China exclusive. According to supply chain sources, Apple is actually working on four different models, with the dual-SIM 6.1-inch LCD iPhone engineered specifically for the Chinese market as Apple looks to give sales in the region a boost.