Step 1: Switch on the data button you want to transfer from your iPhone to iPad on your iPhone.
Step 2: Click to Backup and just wait for completion.
Step 3: Sign the same Apple ID on your iPad as your iPhone. You will find all data you switched on just now transfer to iPad by cloud. What you need to do is download the apps.
If you think the backup process takes a little bit long, you can refer to this post for shorten the backup time: How to Make iCloud Backup Faster?
