While you're holding the lock button down, slide the band in either direction. It really should slide really quickly, but occasionally the band will not release immediately. If this transpires, Apple suggests pressing down on the lock button yet again and ensure that you might be Keeping it down firmly. https://franzn516hyo2.glifeblog.com/26408902/the-smart-trick-of-coach-watch-band-for-samsung-galaxy-watch-that-no-one-is-discussing