That drops the Galaxy Z Flip 8 to only $5.56 per month, days before the flip phone officially hits store shelves on August 7th. AT&T has listed the Samsung Galaxy S22 Plus, Z Flip 4, and Galaxy Z Flip 3 (or higher) as devices that will earn you the full $1,000 of trade-in credit, while older devices dating all the way back to the Samsung Galaxy S10 series will guarantee you $500 off your preorder. The Samsung Galaxy Z Flip 8 takes the foundation of last year's excellent Z Flip 7 and adds a thinner and more lightweight build along with the incorporation of a custom Snapdragon 8 Elite Gen 5 processor. It also retails for $100 more than last year's version, which is why Galaxy Z Flip 8 preorder deals like the offer above are so important. Sure, this deal isn't for everyone, and there's probably no urgent reason to upgrade if you already own the Galaxy Z Flip 7.