Cannot read p12 file

Question:

I cannot update the iOS push certificate using manual (.p12) configuration — I always get a “Cannot read p12 file” error.

Answer:

This error means the uploaded file does not contain the private key — only the certificate was exported. Export both items together:

1. Open Keychain Access and select My Certificates in the sidebar.
2. Expand your Apple Push Services certificate with the triangle so that the private key underneath it is visible.
3. Select both the certificate and the private key (⌘-click), right-click and choose Export 2 items…
4. Make sure the file format is Personal Information Exchange (.p12), save the file and set a password when prompted.

Then upload the file in the Control Panel: go to Settings → Configure Platforms, click Configure in the iOS row, choose certificate-based manual configuration and fill in:

• the certificate file (.p12)
• Private key password
• Gateway (Sandbox or Production)

Click Configure to finish. Full walkthrough: iOS certificate-based configuration.

Tip: token-based (.p8) authentication does not expire annually and is required for Live Activities — consider it instead of a .p12 certificate.