How to copy settings from one client and Rexton Reach HA to a different client and with an updated New Rexton Reach HA model?

How to copy my settings using Connexx fitting software from one client, (me), with Rexton Reach HA’s to a different client, (me), now with a Newer updated model Rexton Reach HA’s?.

From: Rexton Reach R-Li T

To: Rexton Reach R-Li T BC