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What happened after the iOS signature expired?
Methods/steps

1. First, choose a formal certificate. Formal certificates can classify and sign different apps, and different apps sign different certificates. By controlling the quality and quantity of signing certificates, the phenomenon of missing signatures can be avoided. Even if there is a sign missing phenomenon, it can be handled as soon as possible to complete the replacement.

2, choose after-sales service, we all know that the enterprise certificate is valid, and Apple's signature can't last forever. When falling, reliable after-sales service will make up for the loss in time; And the poor after-sales service will make you lose a lot of customers.

3. With the development of mobile Internet, more and more people are accustomed to using the Internet, and the number of Apple mobile phone users is also increasing. Apple phones usually download and install applications from the app store. However, Apple's censorship is too strict. Some applications can't go to the Apple store and can't be tested. They can only be signed by Apple, which shows the importance of Apple's signature.