Open more! Apple iOS 12 developer preview beta 4 update released

Which devices can be upgraded iOS 12 compatible devices include: iPhone: iPhone X, iPhone 8, iPhone 8 Plus, iPhone 7, iPhone 7 Plus, iPhone 6s, iPhone 6s Plus, iPhone 6, iPhone 6 Plus, iPhone SE, iPhone 5s. iPad: 12.9-inch iPad Pro second generation, 12.9-inch iPad Pro first generation, 10.5-inch iPad Pro, 9.7-inch iPad Pro, iPad Air 2, iPad Air, iPad fifth generation, iPad sixth generation, iPad mini 4, iPad mini 3, iPad mini 2. 3. Update method 1. iTunes update: download the firmware, open the latest version of iTunes on the desktop, press 'Shift+Update' at the same time, select the firmware to be flashed, and leave the following actions to Apple. On July 18, it’s been half a month since the last iOS 12 beta 3 was released. In the early hours of this morning, Beijing time, Apple finally released the iOS 12 beta 4 developer preview system (version number 16A5327f), this system update The size is about 400MB, and the main content is to fix bugs and improve system performance. Description file OTA update: directly use the Safari browser to open the corresponding description file, after installation and restart, directly check and download and install the update under System Update; ordinary users can register on Apple's official website and install the public beta version of the description file.