Could it be an issue with RCS chats? Try disabling RCS chats in the
android Messages app settings and then have someone send you a test text
message to see if it goes through.
You're using a physical SIM card currently? It should be safe to switch
to an eSIM and you shouldn't lose any data or need to reset your phone
to do that. Your phone number should stay the same and will be moved to
the eSIM. There should be an option...