- Open the Samsung Pay app on your phone, if you don't have yet then click here to download
- Click Deals on the bottom
- Then click the Cash Back Tab to see what offers you have
- If you have the Best Buy offer then click on it, click Earn Cash Back and Shop
- Maximum up to $100 Back
30% Cash Back On Your Best Buy Purchases, up To $100 Back - Select Samsung Pay Customers. Amazing for those that have this deal, click below to see if available to you. Combine with Best Buy Early Black Friday Deals and you have won Christmas Shopping this year!! Samsung Pay is available on All Galaxy Devices From S6 through S9 and Note5 through Note 9