Text messages are vital and you should definitely back them up if you switch devices. Additionally, backing up your messages allows you to keep track of conversations and retrieve them in the future if needed. iOS allows you to back up your messages to the cloud using iCloud. These messages can then be restored wirelessly to any validated device. You can also back up your messages using iTunes to your local storage on your desktop. This allows you to keep a physical backup on your local storage, which can then be restored to any device. Let’s take a look at how to back up your messages using these methods.
How to Backup Your iPhone or iPad's Messages App to iCloud
Related: How to View Saved Passwords on iPhone
Open the Settings app on your iPhone and tap your Apple ID at the top.
Now tap on 'iCloud'.