Is there a text message after Apple changed its id?

Whether the SMS before the change of mobile phone ID still exists depends on the following two situations:

1. If you just change the Apple ID without resetting and restoring the factory settings, the previous SMS still exists in the phone. SMS is stored locally on the phone, regardless of the Apple ID.

2. If you reset the phone and restore the factory settings before changing the Apple ID, the previous SMS will be deleted. Resetting and restoring the factory settings will erase all data in the phone, including SMS.