1, Apple's mobile phone certificate has been dropped. If the user's mobile phone is no longer 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 the mobile phone is still in jailbreak state, just use the jailbreak plug-in to re-sign/renew the enterprise software installed on the mobile phone.

2, Apple mobile phone use skills: Take Apple 1 1 as an example. When using the mobile phone, if the user wants to turn off the key tone of the mobile phone, he only needs to turn on the mobile phone, find the setting option from the mobile phone desktop and turn it on.

3. Turn on the tone touch option after entering the phone system settings page, and you can see the key tone option after entering the tone touch page. Just click the switch behind the option to turn it off.

4. If the user wants to turn on the touch adjustment function of the mobile phone, he only needs to turn on the auxiliary function option on the mobile phone system setting page, click the touch option after turning on, then click the touch adjustment, and then select Turn on after turning on.

5. Data expansion: iPhone 1 1 has the ability of spatial perception, and can perceive other nearby Apple devices equipped with U 1 chips, and accurately judge their positional relationship, and share files with people through spatial interconnection. As long as you aim at other iPhones of iPhone 1 1, they will appear at the top of the list.

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