Transfer old Apple ID data to a new Apple ID on a new phone
How do I transfer all my data from an older 8 plus and old Apple ID to a newly created Apple ID on a new iPhone 11?
iPhone 8 Plus
How do I transfer all my data from an older 8 plus and old Apple ID to a newly created Apple ID on a new iPhone 11?
iPhone 8 Plus
If you want to use the same apps on the new phone, you'll have to use the old Apple ID, or create a new Apple ID for your existing account before.
Then restore from an encrypted backup you made in iTunes.
Change your Apple ID - Apple Support
About encrypted backups on your iPhone, iPad, or iPod touch - Apple Support
If you want to use the same apps on the new phone, you'll have to use the old Apple ID, or create a new Apple ID for your existing account before.
Then restore from an encrypted backup you made in iTunes.
Change your Apple ID - Apple Support
About encrypted backups on your iPhone, iPad, or iPod touch - Apple Support
You can try setting up Family Sharing between the IDs if you want to be able to share purchases made with the IDs.
Family Sharing. https://support.apple.com/en-us/HT201060
Family Sharing - Set up. https://support.apple.com/en-us/HT201088
Transfer old Apple ID data to a new Apple ID on a new phone