How to sync data from iPhone4 to iPhone5

The method to synchronize data from iPhone 4 to iPhone 5 is as follows:

1. Open the old phone settings, find “iCloud” and turn it on.

2. After opening, log in to the user's Apple account, and then select "Storage and Backup".

3. Then select "Backup Now" to back up all the data on the old phone.

4. After the backup is completed, log in to the Apple account of the old phone in iCloud on the new phone, and import the backup data to the new phone.