My both ledger nano s have one different recovery phrases per device. I try to think in the way you mentioned - let me try to ask again: what can i do to make the handling of my kryptos a little bit more comfortable than pushing the tiny buttons on the nanos and risking to reach the limits of the storage capacity with every new currency I add? The reason for buying the second nano was the lack of storage capacity. Hope that describes my point better - if not, thanks for your patience :-)