1. Use iCloud to back up data: use iCloud to back up the data on the old Apple device, then log in to the same iCloud account on the new Apple device, select "General" in the settings, click "Restore from iCloud Backup", and select the backup to be restored.

2. Use professional iOS data transmission tools: Use professional iOS data transmission tools, such as "AISI Assistant" or "iMazing", connect old Apple devices and new Apple devices, select the data types to be transmitted, such as photos, videos and contacts, and then transmit them.

3.iTunes data transmission:

You just need to prepare a computer, transfer the data of your mobile phone to the computer through iTunes, then connect a new mobile phone, and then transfer the data from the computer to the mobile phone, and it will be solved.