Describe your problem
The push certificate in Keychain shows that this certificate cannot be verified (CRL) cannot be found, but the enterprise certificate is normal.
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Post error message
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What methods have been tried and still have not been solved (with relevant links attached)
1. After deleting the original certificate, try importing it again.
2. Regenerate the push certificate in the developer center.
For the generation of push certificates, please refer to my blog:http://www.hcios.com/archives/1364