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I got the following mail from Apple. "Your Apple Push Services Certificate will no longer be valid in 30 days. To generate a new certificate, sign in and visit Certificates, Identifiers & Profiles" I received a new push certificate and registered it in the keychain. However, there seemed to be a problem with two certificates. I deleted the certificate that is about to expire because I could not receive the push message. Still, the push did not come, and in the process of doing some settings, I found that the push reception setting did not work at all.How do I set it up? Various settings and phenomena that appear on the smartphone can be checked from the link below. http s://srcafe21.cafe24.com/helpmeswift.php