The rumors of a dual-SIM iPhone came up for the first time earlier this year, and now Apple's own iOS 12 is backing the reports. It is rumored that a new "iPhone X Plus" includes a 6.5-inch OLED screen and dual SIM support in certain regions. 9to5Mac reports that iOS 12 developer beta 5, released yesterday, includes references to dual SIM support. The operating system even mentions a second physical SIM tray, which means that an iPhone with dual SIM support might not be restricted to a single SIM tray and eSIM support.
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If the iOS The software 12 beta is accurate, it would not be the first time that Apple reveals the future support of hardware or software in a beta operating system. Apple's HomePod firmware revealed the design of the iPhone X's screen, and the beta versions of iOS 11 included Face ID, Animoji and AirPods updated before Apple announced them. The latest iOS 12 beta also revealed that the new AirPods wireless charging case could be ready to be launched.
Apple is expected to host its annual iPhone event in September, where it is rumored that the company will launch three new iPhones this fall. It is rumored that a new "iPhone X Plus" includes a 6.5-inch OLED screen, along with a 6.1-inch LCD model and an update of the iPhone 5.8 inches.