After the release of iOS 11.3 Apple stopped signing previous version of iOS 11.2.6, reports MacRumors.
IPhone, iPad and iPod touch who have installed iOS 11.3, no longer can return the old firmware. When you try to restore through iTunes, the program will issue an error.
Apple regularly stops signing older firmwares once a new. Therefore, the company forces customers to use the latest version of the system.
While iOS 11.3 is not the only version of the system that is available to owners of Apple devices. Developers and public beta testers can install iOS 11.4. There is Protocol support AirPlay 2 and sync messages via iCloud.
In iOS 11.3 has the opportunity to check the battery status. This option Apple added once acknowledged that slows old phones to maintain the normal state of the battery. The system also has a new Animoji for iPhone X Apple Music added a section with video clips.
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