Home Slickdeals Best Buy 128GB Samsung Galaxy Z Flip3 for AT&T $300, also $800... Slickdeals Best Buy 128GB Samsung Galaxy Z Flip3 for AT&T $300, also $800 trade-in promo offer as bill credits $299.99 By ARCOM - 4 August 2022 59 0 SHARE Facebook Twitter Go to the deal page: Best Buy 128GB Samsung Galaxy Z Flip3 for AT&T $300, also $800 trade-in promo offer as bill credits $299.99