Apple's mobile phone certificate has been dropped If you want to solve it, it depends mainly on whether you are in a prison break environment. If it is not in the jailbreak environment, the user needs to jailbreak again, just install the ipa package signature of jailbreak software on the mobile phone. Secondly, if you are still in jailbreak state, you only need to re-sign/renew the enterprise software installed on your mobile phone with the help of jailbreak plug-ins.

Tips for using Apple's mobile phone: Take Apple 1 1 as an example. It is not recommended to jailbreak the mobile phone, and it is necessary to know that it is not covered by the warranty after jailbreak, so the operation should be cautious.

When using a mobile phone, if the user wants to take a screen shot, he needs to do it by combining keys. Specifically, he only needs to hold down the power button and volume+button of the mobile phone at the same time, and he can realize the quick screen capture operation.

Apple 1 1 supports dark mode. If users like it, just open the phone settings, enter the system settings page, open the display and brightness options, and then select the dark option.

Data expansion: iPhone 1 1 adopts aluminum alloy frame and front and rear glass panels in appearance design, and adopts dual camera design in back. IPhone 1 1 has six colors to choose from, namely purple, white, green, yellow, black and red.