How do I get all the information on my old phone with my new iphone?

Data transfer can be completed through the built-in program icloud cloud backup function of Apple mobile phone, and the specific steps are set as follows:

1. Find the Settings option on the desktop and open it.

2. Locate the Password and Account option and open it.

3. Find the "iCloud" option and open it to enter.

4. On the iCloud page, select the "Open All" button to transfer data, find the "iCloud Cloud Backup" option below, and proceed to the next step.

5. Open the "iCloud Cloud Backup" option to complete the backup.

6. Log in to the same Apple ID account on another iPhone, turn on the switch of iCloud cloud backup, and complete the data transfer to the new iPhone.