How to activate Your App's Push Notification Service on iPhone Devices?

For activating the push notification for iphone follow bellow steps:

1. Go to Apple developer account
   
    
2. Sign in to your Apple developer account
   
3. Click on Certificates, identifiers & Profiles
   
4. Under Production tab click on '+'
   
    
5. Select VoIP Services Certificate
   
    
6. Select your App ID then click on the Continue
   
    
7. Upload the CSR file then click on Continue.
   Note: You can find CSR file in My App >> Go Live >> iphone of your Appstwentyfourseventeen account.
   
    
8. Upload CSR File
   
    
9. Then download the Apple VoIP Services Certificate
   
    
10. Go to My App >> Push Notification >> Configuration >> iPhone Settings >> Upload VoIP Certificate