After you Backup your device with iCloud you can follow the instructions below to restore your device using the backup:

1. Select English (Or preferred language)
   
   
   
2. Select New Zealand (or your current Location)
   
   
   
3. Select Set Up Manually
   
4. Select Continue
   
   
   
5. Connect to WiFi or Mobile Data (3G/4G/5G)
   
   
   
6. Create a Passcode for the phone
   
   
   
7. Select Restore from iCloud Backup
   
   
   
8. Enter your iCloud/AppleID email address then select Next
   
   
   
9. Enter your iCloud/AppleID Password then select Next
   
   
   
10. If required, approve the sign in from another device which has your iCloud/AppleID signed in and enter the Verification Code
    
    
    
11. Select Agree
    
    
    
12. If required, enter your old Passcode for your other iPhone
    
    
    
13. Select Backup you want to restore
    
14. Select Enable Location Services
    
    
    
15. Select Set Up Later in Settings
    
    
    
16. Select Don't Share
    
    
    
17. Your Backup will begin to Restore 
    Note: The time this takes will depend on the size of the backup