Burger King app, upgrade your fries or soft drink to next larger size valid to use 1x a day (stacks w/using offer)
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Go to your Burger King app
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Look at bottom rom menu, you should see a “MY CODE” option
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Press that, you’ll get a six digit code or see a refresh button to get the code to appear
3)Use this code to upgrade your FRIES OR SOFT DRINK order to the next size from which you paid for free
- For instance, tonight I ordered the $1 value fry, they upgraded it to small size.
YMMV on how smoothly this goes from location to location, I had no issue at my BK.
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