this screen is a 12 PIN version *ribbon connector has 12 contacts* (some have 15 contacts) TIP - make it easier to count the contacts by taking a phone photo, then you can zoom in with ease !
the replacement can be done within a minute after a few practices
search YouTube for guides. "replace nano s ledger screen"
these are in stock, in UK
see photos, 6 and 7 don't show how dark the screens can go, this unit was unusable to the naked eye photos 4 and 5 show the new screen installed, working like new again.