You can follow these steps to get your Apple push certificate and upload it to your mobile dashboard.
1. Sign in to your Apple Developer Account.
2. Navigate to Certificates, Identifiers & Profiles > Keys > Your Key.
3. Navigate to Certificates, Identifiers & Profiles > Keys.
4. Click the + (add) button.
When configuring the key, ensure that the Sandbox & Production option is selected.
5. Create a New Key and select Apple Push Notification service (APNs). Click the Continue button.
6. Control the key name and description, and click the Register button.
7. Copy and keep the Key ID for further usage. After that, click the Download button.
8. Download your key certificate to your Mac.
9. Go to Insider Mobile Dashboard and navigate to Settings > Mobile App Settings > Push Notification.
10. Enable iOS Push Notifications via Checkbox.
11. Upload your certificate for production and development environments. Please enter the same certificate key in both environments.
12. Enter the requested inputs.
13. After you upload your certificate, it should look as follows:
14. Choose your current server state.
15. Do not forget to click "Save Changes" at right top of the settings page, otherwise all progress will be lost.
