4 methods.

1. If the screen content of iPhone12 series is not fully displayed, it is very likely that the software has not been adapted for the time being. 2. You need to go to the AppStore to find the software you want to upgrade, and then see if the latest version has been updated and optimized for iPhone12 series phones. Generally speaking, every time a new machine is released, a new version will be adapted. 3. At present, the models that are prone to display incompleteness are the 5.4-inch iPhone12mini and the 6.7-inch iPhone12ProMax, mainly because the screens of these two models are new sizes, and the software usually needs to be re-adapted, but the 6.1-inch model does not have this problem. 4. Besides upgrading the software version, there is no other way to solve the problem of display incompleteness for the time being. You can also contact Apple customer service, or go to Apple direct stores or authorized repair points for help.

iOS 12 is a mobile phone operating system developed by apple, which was released at the 2118 apple global developers conference held in California, USA on June 5, 2118. For the first time, iOS 12 supports operators to use two SIM cards on a new generation of iPhone. On the iPhone 5S and subsequent models, iOS is faster and more responsive; In addition, the functions such as screen usage time, do not disturb mode and Siri adding shortcut instructions for daily tasks are added.