Apple's mobile phone system can easily maintain a good machine environment because it will automatically kill the process. After jailbreaking, you can experience more customized functions, but most people don't recommend jailbreaking, except those who like to pursue other development functions, but now many people use tools such as platform jailbreaking, PP assistant and ITURN to jailbreak with computers, but now many people rarely use computers. The computer has basically become a decoration. So now many people are studying how to install software through mobile phone signature. At present, the mature Goose Pig Sign directly contains the certificate that Apple needs after downloading, and can directly install unc0ver and odyssey on the mobile phone, thus realizing the function of jailbreaking directly on the mobile phone. It is also a good development. Solved a lot of troubles of computer jailbreaking. It used to be a computer jailbreak, but it was very troublesome to jailbreak after each shutdown. It's not necessary now.