What's the manouvre you're trying to perform and having difficulties with?
The ease of changing phone is a shortcoming of any eSIM compared with a physical SIM.
There should be an option on the CS-IVR to queue "virtually" with a callback option. I assume your comment of changing networks is borne out of frustration, but be sure to comprehensively survey any potential new network for coverage & services in all the areas you frequent.
